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S. No. Question Option A Option B Option C Option D Answers
1For checking the low pressure of diesel fuel injection
system the gauge should be installed.Before fuel filter After fuel filter Before common rail Both A & B D
2 While checking the resistance of any circuit .. Ignition On Ignition OFF Engine Start Any of these B
3 The function of 'charcoal' in the charcoal canister is to------- Absorb water vaporAbsorb carbon
monoxide.Adsorb petrol vapor. Absorb liquid gasoline. C
4What is the ratio of air-fuel mixture, that enters into the
engine, to be maintained for the effective functioning of a
three-way catalytic converter?
10.5 : 1 9.5 : 1 14.7 : 1 17 : 1 C
5 Function of MAP sensor in Alto (MRFC08) is to sense------ Intake fuel pressure. Intake air temperature Manifold absolute
pressureManifold temperature C
6 How many keys can be registered in swift Diesel BS IV 5 3 4 2 C
7While registration of vehicle variant In MARUTI diesel
vehicles, immobilizer cable is required. True FALSE B
8According to Euro IV norms maximum allowable CO
emission from the vehicles is------0.5 0.02 0.05 0.1 A
9 "In Zen Estilo DTC in ECM can be erased by using SDT,
instead of disconnecting the cable from battery negative
terminal." This statement is-------
True False A
10What is the name of the coupler, where SDT is connected
in MARUTI Vehicles? Data Transfer Connector Data Line Connection Data Link Connector Data Line Coupler C
11 In which mode EGR step duty can be checked in SDT? Data list Trouble code Tool utilities Active Test D
12What is meant by engine data parameter 'FUEL-CUT - OFF'
indicated by SDT? Fuel is injected by injector
No fuel is injected by
injector
Fuel Pump is switched
ON
Fuel Pump is switched
OFFA
Theory Question Paper - Bronze Master Exam
13Which part could be defective if the engine oil & coolant is
mixed in MARUTI Petrol vehicle?Cylinder Head Oil Pan Timing Cover Intake Manifold A
14Which of the following model is having plastic range bolts
on the cylinder head?Swift-D A Star SX4 None of the above B
15What is the air gap between camshaft rotor and CMP
sensor in Wagon-R (Euro IV)?0.2-0.4mm 2.0-4.0mm 0.4-0.6mm 0.02-0.04mm D
16Which of the is the sequence of coolant circulation in water
cooled four stroke engines?pump-radiator-block-head.
pump-block-head-
radiator.
pump-block-radiator-
head.
pump-radiator-head-
blockB
17What is the tightening torque of oil filter in K10B engine -----
----14 Nm 13 Nm 15 Nm 14.5 Nm A
18Maximum oil pressure in the lubrication system is
controlled by--------Oil filter Pump rotor. Pressure relief valve. Pressure switch C
19 The oil cooler is available in lubrication system of-------- A Star Swift- D Swift P SX 4- P B
20 From the oil pump the oil goes directly to-------- oil gallery oil strainer. oil filter. main bearings. C
21 What is the grade of transmission oil In Swift-D? 80W90 75W90 Dexron-II HD 90 B
22 What is the purpose of fuses and circuit breakers?
To protect the circuit and
components from
excessive current flows or
voltage
To protect the circuit
and components from
excessive resistance that
is over the safe
operating limits as
specified by their
manufacturer
A
23 To conduct a 'continuity' test, circuit power is On Off B
24 What is the function of the ignition coil? It creates the spark at the
spark plug
It ignites the air fuel
mixture in the engine
It raises the voltage
from the battery None of the above C
25 The purpose of a distributor in ignition system is to
Distribute the high-tension
voltage surges to the
individual spark plug at the
correct point in the engine
cycle
Distribute the high-
tension voltage surges
to individual spark plugs
in the correct sequence,
at the correct time in
the engine cycle
B
26 What components do the spark plug leads connect? Coil (or coil packs) and the
spark plug
Electronic control unit
and the spark plugB
27Which is the most common oil filtering system employed
on automotive vehicles? Full flow By-Pass Half-pass Treble-pass B
28 Generally, the initial ignition timing is checked at Idle speed High idle speed 1500 rpm No specific engine
speedA
29What assists in controlling lateral movement of the
crankshaft? Main bearing shells Big end bearings
Crankshaft lateral
bearings
Crankshaft thrust
bearingsD
30 The camshaft of an overhead valve train is driven by Timing sprocket Timing gear Timing chain or belt Timing idler belt or
sprocketC
31To return the inlet and exhaust valves to their seats after
opening by the cam, most four-stroke engines use Pressure differential Gravity Springs Force Mechanical levers C
32In a four-stroke engine which stroke occurs immediately
before the power stroke? Combustion Exhaust Intake Compression D
33 The purpose of the crankshaft is to Convert reciprocating
motion into rotary motion
Join the connecting rods
to the pistons
To allow continuous
movement of the
pistons
Hold the connecting
rods togetherA
34A vehicle with two doors and a fixed roof is commonly
referred to as a Sedan Coupe Convertible Hatch B
35 A fully-charged 6 cell automotive battery should indicate 12V 12.6V sp. Gravity of 1.290 at
32oC Both B and C D
36With the increase of battery temperature, the specific
gravity of electrolyte increases decreases stays the same none of these B
37The ratio of the distributor shaft and the crankshaft speeds
is one one-half one-fourth two B
38The capacity of a battery is determined by the number of
plates per cell and number of cells shape of plates size of plates Number of separators A
39All of these statements are true about the operation of the
EGR emission control system except
The EGR valve allows
exhaust gases to enter the
intake manifold
The EGR valve is open
at engine idle
The EGR system
reduces NOx emissions
The EGR system
reduces combustion
chamber temperatures
B
40Reducing the compression ratio of an engine reduces the
combustion temperatures and this
Reduces the amount of
NOx formed
Increases the amount of
NOx formed
Reduces the amount of
Hc formed
Increases the amount of
H2O formedA
41 One method of reducing NOx in the exhaust gas is to Increase valve overlap Reduce valve overlap Prevent valve overlap All of the above A
42If the oxygen concentration is low in exhaust gas , the air
fuel mixture is Lean Rich About right None of the above B
43 Missing in one cylinder may result from a clogged exhaust an over heated engine a vapor lock a defective spark plug D
44 Valve overlap occurs between intake and compression
strokes
compression and power
strokes
power and exhaust
strokes
exhaust and intake
strokesA
45 The war page of cylinder head is checked with a metal rule vernier caliper micrometer dial gauge A
46While lapping a valve, the lapping compound is applied to
its face stem guide tip A
47The stem clearance in the valve guide is checked by means
of a metal rule vernier caliper micrometer dial gauge C
48 A radiator cap contains a Pressure valve thermostat valve blow-off valve pressure and vacuum
valveD
49 The purpose of the thermostat is to keep the engine Hot Cool At operating
temperature None of the above C
50 Lean air-fuel mixture is required for starting idling cruising acceleration B
51 The throttle valve controls the supply of air only fuel only air fuel mixture none of these A
52The amount of fuel delivered by the injector depends upon
the size of injector nozzle
pressure pushing fuel
through the injector
length of time the
injector is open all the above factors D
53 A glow plug is a decompression device installed in the inlet
manifold
screwed into the
combustion chamber
used to plug the leakage
of fuelC
54 The special tool used to Ream valve guide bore is 5 mm Reamer 7 mm Reamer 10 mm Reamer 12 mm Reamer A
55 The term 'wheelbase' refers to the measurement of
The center of the front
axle to the center of the
rear axle.
The difference in the
measurements from one
side of the vehicle to the
other side of the vehicle.
The side to side of the
vehicle
The center of the tire
tread to the center of
the tire tread on the
opposite side
A
56 The purpose of the timing chain guides are to To make sure the chain
has the correct tension
To make sure the chain
has an appropriate
amount of lubrication
directed to it
To reduce noise and
vibrations To reduce chain wear A
57Which of these is NOT one of the functions of a radiator
cap?
Increase the boiling point
of the coolant
Prevent the chemical
additives in the coolant
from breaking down
Maintain pressure
inside the radiator
Seal the cooling system
against external
contamination
B
58 A potentiometer-type throttle position sensor:
indicates throttle opening
by means of a variable
frequency signal
cuts off the air supply
when stopping a diesel
engine
indicates throttle
opening by means of a
varying voltage signal
is used to change the
octane rating setting of
the ECM
C
59In EECO vehicle, engine oil is to be replaced during first
service.True FALSE B
60Cleaning condenser fins is a part of periodic maintenance
schedule.True FALSE B
61_____________ is the turning force required to turn or
twist any object.Power Torque Speed B
62Which of these are the benefits of timely air filter
replacement?Less pollution Better mileage Better performance All of the above D
63 Oil pressure relief valve is operated by_________.
Due to increase the oil
pressure more than
specification
Switch Solenoid None of the above A
64 For 20W40 oil, 40 means _________.High temperature viscosity
grade
Low temperature
viscosity grade
Medium temperature
viscosity gradetemperature of oil A
65While filling recommended quantity of engine oil, the oil
level should come up to_________.maximum mark Minimum mark
between maximum and
minimum markcant say C
66Wheel alignment is a part of periodic maintenance
schedule.True FALSE B
67 While inspecting thermostat valve, it opens to a lift
of________.8 mm 5 mm 10 mm None of the above A
68High pressure valve in cooling system allows coolant flow
from__________.Radiator to reservoir Reservoir to radiator No flow into reservoir None of the above A
69 Normal coolant flow sequence is through_______.water pump - Cyl block-
heater core-cyl.head
Water pump-thermostat-
cyl head-cyl block
water pump-cyl block-
cyl head-heater core
water pump-heater core-
cyl head-cyl blockC
70 Cooling system cap in swift diesel is fitted on _________. radiator Coolant reservoir B
71 Thermostat valve is checked by___________. Micrometer Dial gauge Hot water bath SDT C
72 Antifreeze increases the boiling point of coolant. True FALSE A
73In normal condition ABS ( Antilock brake system) reduces
the braking distance.True FALSE A
74 Air Bag (SRS) system can be check by digital multimeter. True FALSE B
75In K-series engine, the valve clearance should be inspected
every__________.10000kms 20000kms 30000kms 40000kms C
76It is preferable to check valve clearance in hot condition
rather than in cold condition.True FALSE B
77If first cylinder is in compression stroke, then both the
rocker arms will be_________.Tight Free
Inlet free and exhaust
tight
Inlet tight and exhaust
freeB
78In BS-IV engines, ignition timing is fixed to 5 degrees BDTC
by using_______.monitor coupler SDT Timing light Dwell meter B
79 SDLI system stands for_______.Sequential distributor less
ignition system
Smart distributor less
ignition system
Single direct line
ignition systemNone of the above B
80 Ignition timing ___________with increase in engine speed. Advances Retards Remains same No change A
81While checking ignition timing, all electrical loads should be
off.True FALSE A
82During engine vacuum test, engine should be at normal
operating temperature.True FALSE A
83While conducting compression test on petrol engine
__________.
Accelerator has to be
depressed
Clutch has to be
depressedBoth of the above None of the above C
84Write down the maximum allowable difference in
compression between 2 cylinders of petrol vehicle.1 kg/cm2 1.5 kg/cm2 2kg/cm2 3 kg/cm2 A
85 The causes of poor compression are______________. Worn out piston ringsDamaged Valves or
Valve Seats
Blown cylinder head
gasket All of the Above D
86Recirculation ball type steering system is available in which
MSIL model.Versa Ritz-diesel Eeco Omni D
87All wheel independent suspension is available in which
MSIL vehicle.A star Wagon R SX4 Grand vitara D
88Pollution is to be checked when engine is operating
at__________.Cold condition
Normal working
temperatureAny condition B
89At the time of deceleration, the fuel injection will be cut-off
for a while.True FALSE A
90 Name the component used for brake force distribution. master cylinder Wheel cylinder Brake booster Proportionate valve D
91 Fully charged battery specific gravity should be_______. 1.117 1.122 1.27 1.388 C
92 Which type of braking system is used in MSIL vehicle? Mechanical brake systemAir assisted hydraulic
brakeAir brake
Vacuum assisted
hydraulic brakeD
93 Rear wheel toe-in can be measured in Swift. True FALSE B
94 Caster and Camber can be adjusted _________. True FALSE B
95 Turbocharger is operated by_________. Intake air Exhaust gas electrical motor None of the above B
96EGR ( Exhaust gas recirculation system) is provided to
reduce _________.HC CO Nox CO2 C
97 Sequential petrol injection: uses a single throttle body
injector
has two injectors for
each cylinder
delivers fuel to each
cylinder on each
induction stroke
must operate the
injectors by pulse width
modulation
C
98 Exhaust gas recirculation valves:
blow hot gas into the
exhaust system to heat up
the catalyst
control the movement
of exhaust gas from the
exhaust system into the
intake system to help
reduce NOx
are not used on diesel
engines
are used to operate
exhaust brakes on heavy
vehicles
B
99 Sensor inputs to the ECM are: used only for generating
fault codes
used to provide data
that enables the ECM to
know the state of
variables, such as engine
speed, air flow etc.
always analogue signals always frequency
signalsB
100 A carbon canister is used: in evaporative emissions
control systems
to provide a reserve
supply of fuel
to allow fuel vapor to
be introduced into the
exhaust system
to improve the cetane
rating of diesel fuelA
101 Function of MAP sensor is to sense intake fuel pressure. intake air temperature intake air pressure manifold temperature C
102 Function of TP Sensor is to sense throttle pressure throttle position throttle polarity throttle puncture B
103 EGR valve operates in MPI vehicles under Idle Condition Low loads High altitudes High loads D
104 ECM Raises the Engine RPM when the A/C is switched ON
by controlling Throttle valve Ignition timing IAC valve Injection Pressure C
105 In case the Ignition Switch of MPI vehicle is switched ON
what will happen? Fuel Pump will remain ON
Fuel Pump will remain
OFF
Fuel Pump will Switch
ON for 2 to C seconds
and then switch OFF
Fuel Pump will Switch
ON for 4 to 5 seconds
and then switch OFF
C
106 In case the main relay is defective, what will happen? MIL will glow Fuel Pump will not start Engine will start Engine will have hard
starting problem B
107 What is the sequence of operation of relays? Main relay - Radiator Fan
Relay - Fuel Pump relay
Fuel Pump relay - Main
relay
Main relay - Fuel Pump
Relay Any sequence C
108 Brake bleeding operation is performed from Any sequence
wheel cylinder farthest
to master cylinder &
then at front caliper on
the same brake line
wheel cylinder nearest
to master cylinder &
then at front caliper
wheel cylinder nearest
to master cylinder &
then at front caliper on
the same brake lineB
109 If air is present in the power steering system, what will
happen?
steering wheel may feel
heavy
Power steering may
make humming noise Steering may feel heavy
Steering will feel heavy
& power steering makes
humming noise A
110 In which condition tire rotation is required? front tire wear is different
from the rear
uneven wear exists
across the tread of any
tire
tire wear is unequal
between left and right
tire
all of the above. D
111 In case alternator is not charging the battery, in MPI
vehicle , the battery should be changed in vehicle running
condition.
. True . False B
112 If the exhaust gas is low in oxygen, the air fuel mixture is Lean Rich About right None of the above B
113 The circuit of Fuel injectors are connected parallel True False B
114What is the Valve clearance (in mm.) of Intake side in cold
condition in swift?. 0.13 0.17 . 0.11 0.19 . 0.23 0.27 . None of the above D
115Brake caliper noise can be stopped by using one of the
grease . Servo gem 3 (yellow ) Molex (Black) Silicon (Red ) Lithium C
116 Lamination Wind Shield is used as a safety purpose. True False A
117Wind shield washer spray functioning check to be done at
each service. It is the responsibility of the workshop. True False A
118 Brake Oil of different grades can be mixed. True False B
119While driving down the hill vehicle with 5 speed gear box
should be driven at -2nd Gear 3 rd Gear 4th Gear 5th Gear A
120What is the standard water pump (Fan) drive belt
tension(mm) in MBC08 (Euro III)?5-6. 6-7. 7-8. 8-9. B
121When comparing two oils of viscosities SAE 20 and SAE 40,
which one has the highest viscosity?
SAE 20, viscosity means
density
SAE 40, viscosity means
density
SAE 20, viscosity means
thickness
SAE 40, viscosity means
thicknessD
122What is the purpose of the relief valve, which is fitted to
the main oil gallery of an engine?
To maintain the maximum
oil pressure.
Open when the oil is
hot.
Maintain the supply if
the gallery becomes
blocked.
Stop the oil flow to the
bearings when the
pressure is low.
A
123The main pollutants from the engine exhaust, apart from
hydrocarbons are------CO and CO2 CO2 and NOx CO and NOx CO2 and H2O A
124In MPFI vehicles, ECM controls the operation of Injectors
by-------
Providing Positive power
supply to the Fuel Injector
Providing Negative
power supply to the Fuel
Injector
All of the above None of the above B
125 Connecting rod connects the crankshaft and the------ cylinder head cylinder block piston crankshaft C
126On the front side of an automotive engine---------are
mounted.Timing gear Vibration damper Damper pulley All of the above C
127On the rear side of an automotive engine-------are
mounted.Flywheel Counterweight Vibration damper Timing sprocket A
128How many main bearings are fitted with a 4-Cylinder
engine?2 5 4 6 B
129Most commonly used valve-actuating mechanism in
MARUTI vehicles is------Side valve mechanism
Overhead valve
mechanism
Overhead inlet and side
exhaust valve
mechanism
None of these. B
130 The engine valves are closed by------- Crankshaft Camshaft Timing device Valve springs D
131 The camshaft controls------- Valve opening Valve closing Valve timing All of these. D
132 After leaving the engine, the coolant flows to------- Pump inlet Radiator Reservoir None of the above. B
133 The radiator core is usually made of------- Brass Steel Cast iron or brass Plastic. A
134 The purpose of the thermostat is to keep the engine------ Hot Cool.At normal operating
temperature.None of the above. C
135Purpose of the radiator fan in an automotive engine is to----
--Increase flow of coolant
Draw air through the
radiator.
Cool the engine by
blowing air over it.
Provide drive to the
water pump.B
136 Radiator fan in MARUTI 800(MBC08) is operated------- Electrically Mechanically Hydraulically Pneumatically A
137The Primary function of lubricating oil in an automotive
engine is to provide------Cooling effect Sealing action. Cleaning action. Reduce wear. D
138 What is the immediate effect of petrol in diesel engine? Pre-ignition No difference Low mileage Low power A
139 In Swift Diesel the maximum fuel pressure can be------ 250-300bar 300-400bar 400-500bar 1300-1400bar D
140 What is the function of glow plugs in Swift Diesel engine?It is a decompression
device.To pre-heat the diesel
To pre-heat the
combustion chamber
To initiate the
combustionC
141 What will happen, in case IAT sensor fails in a MARUTI 800? MIL will not glow MIL will blink MIL will glow while
engine is start None of these C
142 When A/C is switched ON, Injection pulse width will------- Increase Decrease Remains the same Either Increase or
decrease.A
143When IAC Duty increases, what will be the effect of it on
engine idle RPM? Engine Idle RPM increases
Engine Idle RPM
decreases
Engine Idle RPM is
constant
Engine Idle RPM may
increase or decreaseA
144When an MPFI engine is running, the fuel pump operates----
-- Continuously
Switches OFF during
Fuel Cut Cuts OFF intermittently None of the above A
145When an engine are disassembled and assembled, it is
always recommended to replace the--------Cork gaskets Asbestos gaskets Rubber gaskets All gaskets D
146 The oil pan in SX4 engine is made of--------- Aluminum Cast iron Brass Steel A
147In a four stroke engine-------convert the reciprocating
motion into rotary motion.Crankshaft Camshaft Flywheel Pulley A
148When the piston is at TDC, the volume above the piston in
the cylinder is the--------Clearance volume Compression ratio Volumetric efficiency none of these A
149 The purpose of piston rings are to -------Maintain Combustion
pressure
For Cylinder wall
lubricationAvoid Oil consumption All of the above D
150The camshaft drive, which does not require any kind of
lubrication is a-------Chain drive Gear drive Toothed rubber belt None of the above C
151 Valve overlapping occurs between-------and--------strokes Intake & Compression Compression & Power Power & Exhaust Exhaust & Suction D
152 The engine may require overhauling in case of-------- Poor compressionExcessive consumption
of lubricating oilMechanical failure Any of the above. D
153The most widely used fuel supply system for MARUTI car
engines is the Gravity systemTRUE FALSE B
154Fuel pump pressure in MARUTI models should be
approximately--------2.0kg/cm2 1.50kg/cm2 3.10kg/cm2 3.50kg/cm2 D
155Oil pressure of an automotive engine should be checked in--
-----conditionCold Hot Any Temperature
Normal Operating
TemperatureD
156 What is the replacement period of Versa transmission oil? 10,000KM 20,000KM 20,000Km or two years 40,000Km or two years C
157 In petrol engine, Fuel injection takes place at-------- Piston Top Intake port Air Filter Throttle body B
158 EGR is available in _______ A star SX4 BS-III Wagon R 410 Swift 412 D
159 EGR system is employed for controlling emissions of--------- HC CO NOx HC and CO C
160 In Swift diesel cam shaft sprocket driven by________ Mount type chain Roller type chain Belt None of the above B
161In case of four cylinder in line engine, the no. of firing
stroke in one revolution of crank shaft is--------1 2 3 4 B
162In four cylinder engines the ignition advance depends on-----
---Calculated Load Engine speed Coolant Temperature All of the above D
163 How the ignition timing in Versa is adjusted? With the help of
Multimeter
Adjusting the CMP
sensor Adjusting the distributor Replacing the resistor D
164What will be the result if the spark plug gap in a four stroke
engine is less than the specified standard?Low pick-up Low mileage High HC level in exhaust All of the above D
165In spark ignition engine, brown deposit on spark plug
indicates that the engine has been generally operating on---
-----
Lean mixture Stoichiometric mixture Rich mixture None of the Above B
166Compression pressure of petrol engine is then
diesel engine.Higher Lower Equal None of the Above B
167In MARUTI vehicles a temperature indicating gauge inside
cluster indicates the temperature of--------Engine Piston Engine cylinder Lubricating oil coolant D
168 In K series engines the type of ignition system used is-------Smart Distributor less
Ignition system
Dual Distributor less
Ignition system
Dual Distributor Ignition
systemDistributor Type A
169 The purpose of snapshot test mode in SDT is to ?
Storing engine data
parameter before and
after the problem occur
Storing engine data
parameter exactly when
the problem occurs
To store the DTC when
problem occursBoth A and B D
170 SDT diagnostic tool cannot be used on following vehicles? Swift - P Vitara A star Omni LPG D
171Which of the following part is not common to a petrol and
a diesel engine?Air cleaner Exhaust silencer Fuel pump Spark Plug D
172 Turbo charger is fitted in ------- SX 4 Petrol Swift Petrol Sx 4 Diesel Wagon R C
173In internal combustion engine the all valves should be fully
closes---------During Suction Stroke
During Compression
Stroke During Exhaust Stroke None of the above B
174 While measuring the valve clearance-------- Valve should be fully openValve should be fully
closed
Valve should be partially
open
Valve should be partially
closedB
175Which one of the following is not a part of the fuel
injection system for diesel engine?Electrical Pump Fuel Filter Air cleaner High Pressure Pump C
176 MPFI stands for Many Point Fuel InjectionMulti Point Fuel
InjectionMulti Port Fuel Injection Both (B) and (C) D
177When pressure has increased in cooling system the coolant
will flow .Engine to Radiator Reservoir to Radiator Radiator to engine Radiator to Reservoir D
178When pressure has decreased in cooling system the
coolant will flow .Engine to Radiator Reservoir to Radiator Radiator to engine Radiator to Reservoir B
179 What will be standard spark plug gap in K12 M engine? 0.7 ~ 0.8 mm 0.5 ~ 0.6 mm 0.8 ~ 0.9 mm 1.0 ~ 1.1 mm D
180 The purpose of crank case ventilation is to------- Cool the oilRemove vaporized
fumes and fuel vapors
Supply oxygen to the
crank case
Assist in maintaining the
viscosity of fuelB
181The device in the cooling system to increase the boiling
point of the water is ---------Radiator Drain plug Water jacket Radiator Pressure cap D
182 In Swift-Diesel which type of fuel pump is available? Electrical pump Mechanical pump Both A & B Neither A & B C
183What will be the immediate result of excess water in fuel in
the Swift Diesel?
High pressure pump will be
affected
Fuel feed pump will be
affected
Common rail will be
affected
Water in Fuel Sensor
indication light will be
ON
D
184 Purpose of the resonator in an automotive engine is to------To increase the amount of
air available
To reduce the suction
noise
To maintain the
temperature of engine Both (A) and (B) D
185 In a diesel engine the function of the fuel injector is--------- To mix fuel and air To ignite air fuel mixtureTo provide flame for
ignition
To spray atomized fuel
in the cylinderD
186The escape of burned gases from the combustion chamber
through the piston and cylinder clearance into the crank
case is called---------
Gas loss Blow-by By pass Passed gas B
187 In diesel engine the injection is cut by ..Discontinuing the negative
supply to injectors
By stopping the high
pressure pump
operation
By closing the shut off
valve
By giving the positive
supply to injectorsA
188 Inspection of diesel fuel injector is done by . Checking the resistance Checking the back flow Power balance test All of the above D
189 In an automotive engine oil pan is attached--------To the bottom of the
cylinder block
In a separate unit away
from the crank case
At the top of the
cylinder block
At the outside wall of
the crankcaseA
190 The function of oil scrapper ring is to-------- Retain compressionScrap the oil from
cylinder wallMaintain vacuum Reduce piston wear B
191 Connecting rod is attached to the piston by the ------- Big end bearing Piston pin Cap bolt Castle Nut B
192 Excess oil consumption in an engine may be due to--------Leakage of oil through oil
pan gasket
Poor quality or improper
viscosity of engine oilvalve seal damage Any of the above D
193In an engine the probable cause of low oil pressure will be--
------Oil strainer is chocked
Oil pressure relief valve
is defectiveDefective oil pump All of the above D
194"In an engine the oil pressure is higher than the
specification." The defective part could be the--------Crankshaft Camshaft Oil pump Oil filter C
195 In A star the size of the intake valve of engine is---------Same as that of exhaust
valve
Smaller than exhaust
valve
Larger than that of
exhaust valve
Does not depends on
the size of exhaust valveC
196 Combustion in the engine may be affected by--------- Atmospheric pressureChanges in air
temperatureHumidity All of these. D
197 In automotive engines, the flywheel----------Smoothens the flow of
power
Serves as part of the
clutch, cars with manual
transmissions
Has teeth that mesh
with the starting motor
drive pinion
All of these. D
198 In diesel engine a clogged diesel filter could result in ------- Return flow will increasedLower fuel pressure in
common railLoss of power. All of these. D
199The breaking up of a liquid into fine droplets by spraying is
called---------Vaporization Carburetion Atomization Ionization C
200 Mixing of fuel and air in diesel engine happens in-------- Fuel pump Injector Inlet manifold Engine cylinder D
201In MPFI vehicles, for supplying petrol from fuel tank to the
common rail, the fuel system have---------van pump A vacuum pump A fuel pump Gear pump C
202The device used to reduce the exhaust noise is known as-----
--Exhaust manifold Exhaust pipe Tail pipe Muffler D
203The device used to measure the clearance between the
valve and tappet of an internal combustion engine is-------Snap gauge Micrometer Feeler gauge Plastic gauge C
204Loss of engine compression may be resulted because of the-
-------Defective fan belt Excess oil level
Excessive tappet
clearanceWorn out ring D
205 Blue smoke from exhaust in a petrol engine is due to-------- Excessive air Excessive rich mixtureBurning of oil in
combustion chamber
Incorrect valve
adjustmentC
206What is the main purpose of the water pump by pass hose
in the engine cooling system?
To reduce the pressure at
the water pump outlet
during high engine speeds
To allow coolant flow
within the engine while
the thermostat is closed
To prevent air pockets in
the water pump housing
To prevent collapse of
the lower radiator hoseB
207 In which mode fixed spark can be done in SDT? Data list Active Test Tool utilities Trouble code B
208 EVAP purge duty can be checked by SDT? True FALSE A
209What is engine data parameter 'CALC LOAD' indicates when
viewed by SDT in data list?
Calculated Load on
Alternator
Calculated Load on
engine at that time Throttle opening % None of the above B
210What is meant by engine data parameter 'BAROMETRIC
PRESSURE' indicated by SDT? Fuel Delivery Pressure
Intake Manifold
Pressure Atmospheric Pressure Exhaust Gas Pressure C
211What is meant by engine data parameter 'FUEL-CUT - ON'
indicated by SDT? Fuel is injected by injector
No fuel is injected by
injector
Fuel Pump is switched
ON
Fuel Pump is switched
OFFB
212If the coolant level in an engine is lower than the specified
quantity, the end result could be--------Piston seizure Engine knocking Bearing damage All of the above D
213If the oil level in the oil pan of a four stroke petrol engine is
maintained above the specified level, the problem could be-
-------
Low milage Carbon deposits Low pickup All of the above D
214 Main bearings Support the camshaft in
the cylinder block
Join the connecting rod
to the crankshaft
Support the crankshaft
in the cylinder block
Join the connecting rod
to the pistonA
215In which of the following system, only grease is used for
lubrication?Transmission Engine Differential Tie rod end D
216Grease cannot be used as a lubricant for the lubrication of---
-----Water pump Front wheel bearing Transmission Input shaft Drive Shaft C
217If an engine shows lack of power in running the probable
cause could be-------Poor compression Faulty ignition timing Overheating Any of the above D
218 The function of flywheel in an engine -------- Dampening of vibrationsBalancing of weight of
crank shaft Stores kinetic energy All of the above D
219 Which series of engine used in SX4 vehicle JB series M series Z- series K series B
220 Cylinder block is made of ________in alto C08. Steel Aluminum alloy Cast iron Brass C
221 Two types of piston rings are--------Compression and oil
scraper.
Compression and
combustionCombustion and exhaust Scuffed and scored A
222If humming noise comes while pressing clutch the problem
may beClutch plate defective Pressure plate defective Release bearing
Transmission input shaft
bearingC
223 Which type of clutch system is used in versa? Multi plate type Coil spring clutch Diaphragm clutch None of these C
224 How many oil seals are fitted on crank shaft 1 2 4 5 B
225The most commonly used valve in an automobile engine is--
-------Poppet valve Sleeve valve Rotary valve None of these. A
226 The clutch cover is bolted to the-------- Friction disk Flywheel Car frame Engine block B
227 Clutch plate wear result to_________ Low pick-up Low average Engine overheating All of these. D
228 What is the purpose of clutch is________ Transfer the engine power Engage the transmissionDisengage the
transmissionAll of the above D
229"In a manual transmission vehicle an abnormal noise
comes when clutch is engaged, and the same disappears
when disengaging the clutch. The problem could be--------
Clutch plate defectInput shaft bearing
defectRelease bearing defect All of these. B
230The clutch is located between the transmission and the------
--Flywheel Rear axle Propeller shaft Differential. A
231The release bearing should come in contact with pressure
plate-------Vehicle is stationary.
Vehicle is running very
fast.
Vehicle is driven very
slow.Clutch pedal is pressed. D
232 In SX4, the clutch disengagement is assisted by? Cable Rod Hydraulic pressure Electrically C
233What could be the result in case no free play is provided for
clutch pedal?Low pickup Low average Engine over heating All of these. D
234 The purpose of transmission in an automobile is--------To vary the speed of the
engine.
To vary the torque of
the engine
To vary the Speed and
torque of vehicleNone of the above. C
235 How many propeller shafts are available in Gypsy king? Two Three One None of these A
236Which transmission unit disengages the drive and provides
a smooth take up of the drive?Clutch Gearbox Final drive Differential A
237The symptom of 'clutch plate not getting disengaged' while
pressing the clutch pedal is--------Burning Smell Clutch Slippage Difficult to shift gear All of these D
238 Springs in clutch plate are meant to reduce------- Tensional vibrations.Fluctuation in engine
speed.Torsional vibration All of these. D
239 Clutch slippage is particularly noticeable--------- During idling At low speed During acceleration None of these C
240As a general rule, if the face of a friction disk is found worn
out up to the rivet head, then-------Rivet should be replaced
Rivet Head should be
filed
The friction disc should
be replaced
The clutch assembly
should be replacedC
241 The purpose of waste gate in Turbo charger is to--------
waste some of the engine
power to prevent Nox production
Allow some exhaust gas
to bypass to maintain
the boost pressure
Prevent excessive fuel
consumption during low
speed operation
Prevent excessive power
output during part
throttle operation
B
242Which one of the following is the trouble due to faulty
clutch?Dragging Rattling Slipping All of these. D
243While replacing the ECM of swift D registration is required
for.. Only ECM Only Vehicle variant
Only Immobilizer and
keysAll of these. D
244What will be the trouble in a spark ignition engine if spark
leaks from the spark plug?Loss of power Engine miss-fairing HC high All of these. A
245If you need to top up the battery electrolyte of the vehicle
very frequently, then the battery probably-------Overloaded Sulfated Old Overcharged D
246 A fully charged, 6 cell automotive battery should have-------- 11 V 12.6 VSP. GRAVITY OF 1.290
AT 32 deg C.Both (B) and (C) D
247For measuring current, the multimeter red wire should be
connected on Multimeter at__________.10A socket V socket COM terminal A
248While measuring battery voltage, the range to be selected
on Multimeter is__________.2V 200mV 200V 20V D
249In K-series engine, Spark plugs are to be replaced at
every__________.20000kms 40000kms 60000kms 80000kms B
250 In Swift Diesel, water pump belt is adjusted by_________. Manual method Automatic belt tensioner Not adjusted B
251_________ cuts of the AC compressor when system
pressures is too high or too low.Thermister Dual pressure switch AC compressor relay Expansion valve B
252Thermister is provided to prevent ice formation on
evaporator.True FALSE A
253 In Swift Diesel, thermister is fitted on evaporator. True FALSE B
254For checking battery current leakage the multimeter should
be connected in___________.Parallel Series Any condition None of the above B
255 If CKP sensor fails, vehicle will start and misfire. True FALSE B
256If spark plug gap is more than specification it will result in
to_________.Weak spark Misfire No effect None of the above B
257In Ritz vehicle, the maximum limit for current drain in
ignition OFF condition should be_________.1Amp 10Amps 0.15Amp 0.1Amp C
258 Valve clearance adjustment is a part of PDI checklist. True FALSE B
259In K series engine, water pump belt replacement is to be
done every 60000kms. True FALSE A
260Master cylinder and wheel cylinder (boot and piston kits)
should be replaced every _____________kms. 20000kms 40000kms 60000kms
Does not require
periodic replacementB
261In diesel engines, what is the method to service the air
filter?Cleaning Replacement Both of the above B
262 Engine oil bypass valve is fitted at_________. Oil strainer Oil pump Oil filter Cylinder block B
263 Low oil pressure warning lamp glows when ________.Oil pressure is lower than
specified limit
Oil pressure is higher
than specified limit
Engine oil quantity is
moreNone of the above A
264In petrol vehicle, engine oil level should be checked in
which condition? 5 min after engine stop Engine at idle speed Immediately after stop Any condition A
265Oil filter cap in diesel engine should be tightened to
___________Nm torque. 2.5Nm 25Nm 50Nm 10Nm B
266Spark plug is tightened to specified torque using
__________.Ratchet handle Spark plug torque socket torque wrench Not specified B
267Low pressure vacuum valve in cooling system allows
coolant from _________.Radiator to reservoir Reservoir to radiator No flow into reservoir B
268Normal coolant (water : antifreeze) ratio in petrol engine is
_________. 50:50 75:25 60:40 70:30 D
269 Coolant by pass passage is available ________. Before thermostat Before water pump After thermostat After heater core A
270Normal coolant (water : antifreeze) ratio in diesel engine is
__________. 50:50 75:25 60:40 70:30 A
271Used coolant can be disposed off in normal water drainage
system.True FALSE B
272Leakage from a cooling system can be checked by
________.Visual inspection Refractrometer Radiator cap tester None of the above D
273What is the radiator cap holding pressure while checking
using cap tester ______. 2kg/cm2 1.1kg/cm2 1 bar None of the above B
274Which of the models have a hydraulic valve adjuster
system?A-Star SX4 Alto410 Swift Diesel D
275Before valve clearance checking, we must ensure that
valves of respective cylinder should be in __________.Fully open condition Fully close condition Partially open Any position B
276 In SX4 engine, Valve Clearance is adjusted by___________. Screw type adjuster Hydraulic adjuster Tappet type adjuster Shim type adjuster D
277While checking ignition timing through SDT, the ignition
timing is fixed at _______.5 Degree BBDC 5 Degree BTDC 8 degree BTDC None of the above B
278 Adjustable CMP sensor is available in ________. Wagon R 310 Alto K10 Swift Diesel Alto 308 D
279Resistor is available in_______ model for adjusting the
ignition timing.EECO Grand Vitara Alto K10 Versa D
280Engine vacuum is highest in which of the following
condition?at idle RPM at 2000RPM at 4000RPM at 6500RPM A
281 Engine compression test is an indicator of ________. Bore - piston clearance Valve seatingCylinder head gasket
sealingAll of the above D
282The low charged battery affects the cylinder compression
test.True FALSE A
283Compression gauge for Diesel engine is to be fitted
at________.Injector hole Glow plug hole Cam shaft housing Timing cover B
284Oil pressure test should not be done in cold condition
because______.Oil viscosity is low Oil level is more Oil viscosity is high None of the above C
285 Which of these gases are pollutant gases? HC CO Nox All of the above D
286 Stoichiometric ratio for petrol engine is 1C.5:1 14.5:1 14.7:1 15.7:1 C
287 In A-Star vehicle, fuel filter is available at ________. Engine compartment Inside fuel tank Near fuel tank near injector rail C
288After brake bleeding, the bleeder plug has to be tightened
by ________. Ring spanner Special tool Open end spanner Socket B
289While tightening the bleeder plug, the brake pedal should
be in ______. Depressed condition Released condition
Pedal should be
gradually released
during tightening
At any condition A
290In Swift vehicle, electrical power steering motor is fitted
on________.Steering pinion assembly Steering column tie rod ends steering knuckle B
291 Toe in is adjusted by turning the________. Tie rod Rack Steering wheel None of the above A
292Gear box oil drain plug should be coated with sealant
before tightening.True FALSE A
293Front suspension damper should be inspected by holding it
in________.Vertical position Horizontal position
pressing against the
groundAny position A
294Location of "Knock sensor" in A-Star vehicle is on
_________.Cylinder head cove Cylinder head Timing cover Cylinder block D
295The purpose of thermister is to cut the compressor clutch
below specific temperature.True FALSE A
296 The output from the condenser is_________. High pressure liquid High pressure gas Low pressure gas Low pressure liquid A
297 Location of dual pressure switch is_________. High pressure side Low pressure side None of the above A
298 Fuel injection (FI) fuse is normally rated as _______Amps. 30 Amps 5 Amps 10 Amps 15 Amps D
299 Ideal air control valve is a Sensor. True FALSE B
300 Fuel temperature sensor is available in______. Petrol engines Diesel engines B
301In Swift Diesel vehicle, vacuum is applied on brake booster
by ________.Intake manifold Turbocharger Vacuum pump C
302 By opening the IAC valve fully we can increase the engine
rpm up to5300 rpm
500 rpm
1300 rpm 2000 rpm D
303
No temperature difference between compressor inlet and
outlet indicates: Excellent performance of
compressor No gas in the system
due to leakage
Too much charge of
refrigerant in the system Too much humidity B
304
A container filled with activated charcoal; used to trap
gasoline vapor from the fuel tank and carburetor while the
engine is off is called EGR VALVE Charcoal Canister Crankcase Catalytic Converter B
305Any short-circuit in the armature winding may be tested
with a multimeter growler. voltmeter. ammeter. B
306 The principle of a radiator of an engine cooling system is toAct as a reservoir for the
water
Cause heat flow by
convection currents.
Spread out the hot
water over a large area.
Increase the air speed as
it flows over the hot
surface.
C
307 The purpose of a piston pin is toPrevent the valve from
rotating.
Link the connecting rod
to the crankshaft.
Ensure the piston ring to
the piston
Connect the piston to
the connecting rod.D
308 Ignition advance is expressed in terms of crank angleMillimeter of pistons
travel before TDCTime in mili sec Any of the above A
309 Engine overheating in Gypsy King may result due to coolant reservoir gasket
damagedthermostat stuck open. broken fan belt.
excess coolant in the
system.C
310 In a vehicle the probable cause of hard steering could be Low tire pressure Bent wheel spindle Tie rod ends tight Any of the above D
311 Continuity in the field windings can be tested with a multimeter growler. voltmeter. none of the above. A
312In case of CMP sensor failure, the ECM identifies the failure
when
CMP sensor signal is not
input 2 seconds after
engine cranking
CMP sensor signal is not
input 5 seconds after
engine cranking
Engine does not start
within 5 seconds of
engine cranking
CMP sensor fails A
313 The engine valves are closed by the force of crankshaft camshaft timing device valve springs D
314If the pedal of a hydraulically operated brake is 'springy' is
indicates that theSystem contains air
Shoe clearance is
excessive.
Brake fluid should be
changed.
System is in a good
condition.A
315If the coolant level in engine is maintained low, the likely
consequence could bePiston seizure Engine knocking Bearing damage Any of the above D
316 The purpose of transmission in an automobile isto vary the speed of
automobile.
to vary the torque at the
road wheels.
to vary the power of
automobile.none of the above. B
317 MPFI vehicle can be push started if battery is removed? True False # # B
318When a vehicle turns a corner, the action of the differential
causes
The inner wheel to speed
up
The outer wheel to
speed up
An increase in the
torque applied to inner
wheel
An increase in torque
applied to the outer
wheel.
B
319In the recirculating ball type steering gear, the balls travel
between the ball nut and thegear rack. worm wheel. steering wheel shaft. worm shaft. D
320 To increase output voltage, battery cells are connected in series parallel series-parallel none of the above. A
321 The thermostat valve starts to open at about. 90 deg 80 deg 50deg 20 deg B
322 The hand brake usually operates on rear wheels front wheels right wheels left wheels A
323 In a four wheel drive the number of gear box is 1 2 4One gear box with more
gearsB
324 An axle is located on a leaf spring by a U-bolt Spring clip Centre bolt Shackle pin C
325 The function of a shackle with a leaf spring is toallow pivoting of spring
end
allow spring length to
change.control sideway. control rear torque. B
326 If Head lights are switched ON, then Injection Pulse Width
will Increase Decrease Remain Same
either Increase or
Decrease.A
327 SDT can be used to check the vehicle speed? True False # # A
328 What is the input voltage to Oxygen Sensor 1 Volts 4 to 5 Volts 12 Volts no input voltage D
329During normal running, the necessary temperature to
ignite the fuel in a diesel engine is obtained by Glow Plugs a manifold heater a high compression ratio
an un cooled cylinder
head.C
330 Shock absorber in an automobile is used to absorb the energy. dissipate the energy. release the energy. increase the energy. B
331 Which instrument is used to measure specific gravity Thermometer Multimeter Hydrometer Anemometer C
332 The starter motor is driven by Chain drive gear drive Flat belt drive DC motor D
333 CKP sensor is fitted in Wagon-R (MRD 410). True False # # B
334The charging voltage at the start of the engine is
__________ than when the engine is running on load.lower higher same any of the above. B
335 The PCV valve is located between theair cleaner and the
carburetor
carburetor and the
intake manifold
intake manifold and air
cleaner
intake manifold and
crankcase.D
336 The purpose of tire rotation on automobiles is to avoid ply separation. equalize wear get better ride. none of the above. B
337 The cold cranking amperes (CCA) of swift diesel starter is 150 Amp 440 Amp C40 Amp 200 Amp B
338 The camshaft controls valve opening valve closing valve timing all of these. D
339 Noisy brakes indicates Brake disc scored Drums scored Loose lining screws Any of the above D
340The device used to measure the clearance between the
valve and tappet of an internal combustion engine,Snap gauge Micrometer Feeler gauge Thickness gauge C
341 If Oxygen Sensor indicates an output of 1Volt, then it
means that Fuel Mixture is lean Air-Fuel Mixture is rich
Air-Fuel Mixture is
stochiometric.
Oxygen sensor is
defective.B
342The distance between the centers of the front wheel is
called the Front Track Wheel base Rear Track Turning radius A
343The distance between the centers of the front wheel and
rear wheel is called the Front Track Wheel base Rear Track Turning radius B
344The fuel is injected into the cylinder in diesel engine when
the piston is
Exactly at TDC after
compression stroke
Exactly at BDC before
compression stroke
Approaching TDC during
compression stroke
stroke
Approaching TDC during
exhaust strokeC
345The operation of removing trapped air from hydraulic
braking system is known as Trapping Tapping Pressurization Bleeding D
346 Another name for a damper is shock absorber torsion bar. spring.independent
suspension.A
347What is the frequency of replacement of Spark Plug in K
series engines 10000 km or 1 year 40000 km or 4 years 20000 km or 2 years 20000 km B
348 An automobile tire will wear rapidly in case It is overloaded It is mis aligned It is incorrectly inflated Any of the above D
349 An underinflated tire will wear the tread most near centre near the edges. in the lateral direction. in the cross direction. B
350 The unit of injector pulse width is mili sec volt amp Ohm A
351What is the frequency of replacement of Engine Coolant in
A star vehicles 10000 km or 1 year 10000 km 20000 km or 2 years 20000 km C
352 In case of failure of EVAP canister purge valve, a DTC will
be indicated True False # # B
353A pressure relief valve is fitted to the main oil gallery of an
engine. The purpose of this valve is to
limit the maximum oil
pressure.open when the oil is hot.
maintain the supply if
the gallery becomes
blocked.
stop the oil flow to the
bearings when the
pressure is low.
A
354 In MPFI vehicles, ECM controls the operation of AC
Compressor when the AC switch and Blower are switched
ON by
Positive power supply to
the AC relay
Negative power supply
to the AC relay
AC Condenser fan
switching ON
Switching ON radiator
fanB
355The angle formed by the wheel with the vertical when the
top of the wheel slants outward is calledpositive camber negative camber positive castor negative castor A
356Heated Oxygen Sensor works when exhaust passage is in
_____ Condition Cold Warmed all condition Idle C
357With the increase of battery temperature, the specific
gravity of electrolyteincreases decreases. stays the same. none of these. B
358In case the CMP sensor of Wagon-R (MRD 410) fails what
will happen? Engine will start Engine will not start None of the above # B
359The device in the cooling system that increases the boiling
point of the water in the system is calledRadiator Drain plug Water jacket Radiator cap D
360When comparing two oils of viscosities SAE 20 and SAE 40,
which one has the highest viscosity
SAE 20, viscosity means
density
SAE 40, viscosity means
density
SAE 20, viscosity means
thickness
SAE 40, viscosity means
thicknessD
361 The electrolyte used in a lead acid battery is Sulphuric acid batteryDiluted lead and pure
water
Pure water and distilled
water
Distilled water and
sulphuric acid.D
362 In DDLi system Ignition coil is used to Step up current Step down current Step up voltage Step up power C
363In case of four cylinder in line engine, the no of firing stroke
in one revolution of crank shaft is1 2 3 4 B
364What causes the main force which opposes the driver
when the clutch pedal is depressed?thrust springs speed of rotation friction in the linkage
friction between the
linings.A
365 A collapsible steering column is one which collapses to Damp out road vibrationsImprove safety for the
driver
Simplify its removal for
repair.
Provide adjustment for
the steering wheel.B
366 Radiator tubes are made of Steel Brass Cast iron Plastic material B
367If the oil level in the oil pan of the engine is maintained
above the gauge mark, the likely damage it may cause is engine fuming carbon deposits blue color in exhaust any of the above D
368 While starting a engine the starter pinion meshes with clutch Propeller shaftEngine flywheel ring
gearGears in differential C
369 The purpose of valve clearance is to Allow the valve to expandAllow the valve to slide
in the guide
Ensure that the valve
closes fully
Ensure that the
crankshaft is free to
rotate.
C
370To ensure combustion occurs at the correct time when the
engine speed is increased, the spark should beAdvanced Retarded Less Intense More intense. A
371 The 'stroke' of an engine is the Volume of the cylinderLength of the connecting
rod
Internal diameter of the
cylinder.
Distance between TDC
and BDCD
372 How is the inlet valve opened and closed? It is opened byA cam and closed by a
spring.
A spring and closed by a
cam.
Gas pressure and closed
by a cam.
Cylinder vacuum and
closed by a spring.A
373The pressure in an engine cylinder is less than atmospheric
pressure when the engine is performing the stroke calledSuction Compression Power Exhaust A
374The main purpose of the radiator fan of a liquid cooling
system for an engine is toDisperse engine fumes
Cool the external
surfaces of the engine
Pump hot air over the
cold cooling water.
Drive air-flow when the
vehicle speed is low.D
375 The principle of a radiator of an engine cooling system is toAct as a reservoir for the
water
Cause heat flow by
convection currents.
Spread out the hot
water over a large area.
Increase the air speed as
it flows over the hot
surface.
C
376The thermostat is normally positioned in the cooling
system between theheader hose and radiator
radiator and bottom
hose
bottom hose and engine
water jacket
engine water jacket and
header hose.D
377The purpose of large spring loaded valve in a radiator cap is
to
lower the temperature at
which the coolant boils
prevent the coolant
escaping when it boils
reduce the risk of the
rubber hoses collapsing
when the pressure is
low.
pressurize the system
which raises the boiling
point of the coolant.
D
378The quality of coolant in a cooling system can be
determined by
checking the freezing point
by refractrometer
measuring the
temperature at which
the coolant boils
color of coolant pressure of the coolant
at a temperature of 80CA
379 A thick cable is needed to supply the starter motor becauseMotor requires a very
large current.
Voltage needed is higher
than 200 V
Thick insulation is
needed to prevent a
short circuit.
Extra strength is needed
to resist the vibration.A
380 A fuse in an electrical circuit 'blows' as the result of a highHigh Voltage caused by a
short circuit
High Current flows
caused by a short circuit.
Voltage caused by an
open circuit.
Low Current flow caused
by an open circuit.B
381 If A/C is switched ON, then Injection Pulse Width will Increase Decrease Remain Same either Increase or
decrease A
382What will be effect of a choked AC condenser on the grill
temperature?
grill temperature will not
be affected
grill temperature will
decrease
grill temperature will
increase
grill temperature may
or may not decreaseC
383If Wagon-R customer is reporting for water entry in
Headlamp assy,in this case------------action should be taken
Head lamp assy focus
adjustment
Wiring harness assy
replaceAdjusting of dust cap None C
384 The Arrow mark on SDM of should face towards, Back door side front side RH seat side LH seat side B
385 The working principle of ABS wheel speed sensor is Hall effect Piezo-electric element. Potentiometer none B
386To avoid Brake caliper pin noise problem ,which grease
should be usedServo gem -2 Molex grease Nigrove RX2 Lithium grease C
387Due to weight transfer, the ratio of braking effect at the
front and rear wheels should be
50% at front and 50% at
rear
60% at front and 40% at
rear
40% at front and 60% at
rear none of the above B
388Several factors can influence vehicle braking, these can
include: Road surface the weight of the vehicle
load on the vehicle
during stoppingAll of above D
389The function of the proportioning valve is to break up the
braking effort between:
Disc brake systems and
drum brake systems
The front and rear
brakes under heavy
braking application
The front and rear
brakes under heavy
braking application
according to how the
load is distributed across
the vehicle
none C
390 What will happen if water is added to the brake fluid? boiling point of the brake
fluid will increase
Brake master cylinder
effectiveness will
increase boiling point of brake
fluid will decrease none of the above C
391 What will happen if brake fluid is stored in the open? boiling point of the brake
fluid will remain same
boiling point of brake
fluid will increase
boiling point of brake
fluid will decrease none of the above C
392The advantage of fitting a power brake booster to a brake
system is to
Create a greater braking
force
Allow a tandem master
cylinder to fitted
Provide a greater
braking force to the
front brakes
Allow a disc brake
system to be usedA
393 When the brake is applied, the fuel injection will Increase Decrease Remain Same Cut-off D
394 Which type of wheel bearing used in front wheels Roller bearing Ball bearing Tapper roller bearing Needle bearing C
395 Which Type of brake disc used in Alto Ventilated Solid None of these B
396 In which model ventilated brake disc not available Car Esteem Wagon-R Swift petrol A
397 Which type of brake system used in Swift-D Hydraulic brake Air assisted hyd.brakeVacuum assisted
hyd.brakeNone of these C
398Any short-circuit in the armature winding may be tested
with a multimeter growler voltmeter ammeter B
399The alternator charging voltage at the start of the engine is
_____________ than when the engine is running on load lower higher same any of the above A
400 The heater core is normally located in_______ Engine compartment Under the dash board Under seat Dickey B
401In engine rattling or chattering sound during acceleration
may be due to worn or collapsed piston s worn main bearing broken piston ring sticking engine valves B
402All of these statements are true about the operation of the
EGR emission control systems except
The EGR valve allows
exhaust gases to enter the
intake manifold
the EGR valve open at
engine idle
the EGR system reduces
NOX emissions
the EGR system reduces
combustion chamber
temperatures
B
403 In diesel injection system, injector will inject the fuel when Piston on exhaust stroke Piston on suction strokePiston on compression
strokenone of the above C
404Reducing the compression ratio of an engine reduces the
combustion chamber temperatures and this
Reduces the amount of
NOx formed
Increases the amount of
NOx formed Reduces the amount of
HC formed
Increases the amount of
H2O formedA
405 If EGR will stuck in open condition the problem may beNox formation will
increase
Combustion chamber
temperature will
increase
HC level will increase in
exhaust All of the above C
406If engine timing belt tension is more than specification, it
will
reduce the life of timing
belt
Reduce the life of timing
belt tensioner
Increase the noise level
from engine timingAll of the above D
407 The engine requires overhauling in case of poor compression excessive consumption
of lubricating oil mechanical failure all of the above D
408If the air temperature is increased, the density of air
will______Increase Decreased Remain same None of these B
409 What may happen if engine earthling wire is disconnected Coolant sulphation Rpm high Engine overheating Both A and C D
410 In Swift Diesel Engine noise is very less due to More length of Injector Multiple Injection
ConceptChain drive Twin camshaft B
411 Fuel Pressure is controlled in the common rail of diesel by high pressure sensor Vehicle Speed fuel pressure regulator fuel injectors C
412The fuel vapor emission control system stores gasoline
vapor in a tank the fuel tank a charcoal canister none of the above C
413 Location of Boost pressure sensor in SWIFT Diesel .is Underbody near fuel tank. Near exhaust manifold Near brake pedal Intake manifold D
414A steady but low vacuum reading with the engine idling
indicates that the engine
intake manifold side
leakage
valve clearance is more
than specification exhaust pipe is plugged None of the above B
415Output voltage of the throttle position sensor can be
adjusted ? True False A
416 Fail safe mode is not available in swift 412 for_______ Oxygen sensor Cam shaft position
sensor
Engine coolant
temperature sensor Throttle position sensor A
417 Fuel Pump will be operational under which condition? 2 to 3 seconds after
Ignition switch ON
engine start signal input
to ECM
CMP signal input to
ECM All of the above D
418 Timing Chain in Swift Diesel is to be replaced every 80000 Km 82500 Km 100000 Km None D
419In case the Ignition timing is out of specification, IAC Duty
indicated would be correct?TRUE FALSE B
420In MPI vehicles, the ignition timing is _______ at the time
of starting. fixed variable B
421Before checking compression pressure battery voltage
should be checkTRUE False A
422Which Connection/Components should be removed before
checking compression pressure in petrol vehicle
Ignition coil HT lead
connection
Fuel pump relay
connectionAir filter removal All of above D
423Engine timing chain or belt fitment always starts from
crankshaft gear to camshaft gearTRUE FALSE A
424In Swift diesel while fitting timing chain, how many special
tools should be used4 3 2 1 B
425 In Swift diesel Loosening of crankshaft sprocket bolt is Clockwise direction Anti clock wise direction Both None B
426What will happen if engine oil is not replaced within
prescribed service period in swift diesel vehicle
Improper working of
tappets
Improper working of
timing chain adjuster
Poor lubrication of all
partsAll of above D
427IF MIL is not glowing when the ignition is switched on, but
engine is starting, possible cause may beMIL bulb blown off FI Fuse blown off Main relay defective
ECM ground point
defectiveA
428 In SX-4 fuel pressure regulator is operated by Vacuum Positive pressure Electrical sensing None B
429 What is the location of fuel pressure regulator in SX-4 Engine Room Under the dash board On the fuel tank Under the rear seat C
430 In Wagon-R fuel pressure regulator is operated by Vacuum Positive pressure Electrical sensing None A
431On the based of Knock sensor signal ECM controlled the
supply ofAir (Oxygen) Exhaust Gas Oil Pressure Fuel injection D
432 To avoid fuel leakage from fuel hose pipe, the fuel hose
pipe clamp fitment distance from end of pipe is9-10 mm 3-7 mm 2-3mm 8-10mm B
433 Purpose of Immobilizer system isTo increase the pick up of
vehicles To increase fuel average
To prevent theft of
vehicles None C
434What is the main function of a separate coolant reservoir
tank
To stabilize the coolant
temperature
To increase the system's
operating pressure
A more convenient
location for adding
coolant to the system
To maintain coolant in
the system at all timesD
435The checking procedure for Fuel pump & Main relay is
sameNo Yes A
436In accident body work shop, What are the important point
should be checked/Removed while parking the vehicle
inside workshop
Battery negative cable and
battery damagewheel bend
Petrol/diesel/gas
leakageBoth A & C D
437For hydraulic power steering pump pressure checking the
fluid temperature should be____
20 to 30 degree
Centigrade
30 to 35 degree
Centigrade
60 to 68 degree
Centigrade 102 degree Centigrade C
438While checking hydraulic power steering fluid level the fluid
temperature should be__________
15 to 25 degree
Centigrade
31 to 35 degree
Centigrade
60 to 68 degree
Centigrade 103 degree Centigrade B
439What is the condition for steering force inspection in EPS
vehicle?
vehicle should be on level
surface with steering
wheel should be in straight
position.
Engine should be in
idling condition
Tire inflation pressure
should be as per
specification
All of the above D
440 The type of steering gear used in a MARUTI 800 car is. rack and pinion worm and roller worm and wheel none of these A
441Is there any special tool is available for EPS checking for
WagonR410Yes No A
442 What happen if heavy black smoke come through exhaust
in diesel vehicleTurbo charger defect Oil pump damage fuel pump damage None of these A
443 Which models has not come Immobilizer system Omni-LPG swift petrol Gypsy king SX4-CNG C
444 What is the name special used for checking air bag system Load tool Flow meter volt meter None of these A
445 SDM is located in which location. Engine compartment Under the dash boardUnder the parking brake
leverUnder the rear seat C
446 Forward crash sensor is related with which system Engine suspension Air bag ABS C
447 location of front impact sensor SX4 Zxi Near to the RH head lightNear to the LH head
light
Under the parking brake
levernone of the above A
448How many wheel speed sensors are available in ABS
system6 8 4 5 C
449Does any woodruff Key is fitted in crank shaft timing
sprocket in Swift Diesel EngineYes No B
450 Oil pump is driven by which component in Swift Diesel. Timing Chain Exhaust camshaft Intake Camshaft Crank shaft D
451 In Wagon-R timing belt replacement period is 82500 90000 100000 60000 C
452which type of purge valve we are using in wagon R euro IV
vehiclesolenoid type Duty type proto type none of the above B
453 In which MSIL model has fluid coupling type radiator fan SX4 Gypsy king Omni Grand vitara420 B
454 Power supply from the battery to ECM is- 5 to 9 volt 4.5 to 5.5 volt 2 to 2.5 volt 10 to 14 volt D
455 SX4 ignition timing cant be adjusted Yes No A
456 Versa timing can be adjusted by Distributor. Analogue Multimeter. Resister. None of above. C
457 In MPFI vehicle EGR is provided for Re-circulate unborn fuel Improve braking force Increase pickup Reduce Nox generation D
458 Engine RPM can be checked by digital multimeter - True. False. A
459 IAC valve is a sensor. True. False. B
460Air suction pipe is modified for problem of water entry in
_________ modelWagon R (A1J) Wagon R 410 Estilo 410 SX 4 416 A
461In A-star vehicle, engine RH mounting has been modified
for problem of Noise on rough roads Failure of drive shaft Bearing failure Oil leakage A
462In Swift/Ritz model, which component is modified for
problem of noise on rough roads?Engine RH mount stopper Joint, stabilizer bar Mount, stabilizer bar Stabilizer bar C
463For Swift BS 3 vehicle, rubber tube is to be fitted at
workshop on suspension coil spring for problem of noise
from front suspension
TRUE FALSE A
464Engine oil capacity of SX4 (old) and SX4 VVT engine are
differentTRUE FALSE B
465 In Swift Diesel, EGR fuse is located at Fuse Box No.1 Fuse box No.2 Fuse Box no. 3 None of the above B
466Name of the cleaner for electrical throttle body is
_______________
Super cleaner (Three bond
make)Petrol Diesel Decarburizing Thinner A
467In the case of tubeless tires, the tire pressure specification
is same as tube tiresTRUE FALSE A
468In Omni LPG, name the part modified to avoid problem of
starting in petrol modeBrake vacuum pipe Fuel return pipe Both of the above Carburetor A
469___________ has been modified in Swift/Ritz Diesel models
to improve braking efficiencyBrake pads master cylinder Vacuum pump Booster D
470In Swift Zxi, communication between ECM, ABS, BCM
controllers is throughSerial network Parallel network Controller Area network No network C
471Engine coolant temperature lamp starts blinking at
___________C and glows continuously at _________C in
A-star vehicle
98C and 100C 116C and 118C 105C and 110C 118C and 120C B
472Programming process of remote transmitter on Ritz is done
using ignition key and ____________________Driver side door switch Lighting switch
Passenger side door
switchRear RH door switch A
473 Identify the symbol Injector Spark Plug Glow Plug Cigarette Lighter A
474 Instrument panel harness is a part of Door harness Floor harness Roof harness Engine harness B
475Connecter set adaptor kit and shorting bar are special tools
for which systemABS BCM EPS Air bag D
476In wagon R vehicle (RD 410), fuel sender gauge resistance
Should be checked Only in full condition Only in empty condition
Both Full and Empty
conditionCan not be checked C
477The purpose of headlamp leveling system is to __________
the headlight beam when vehicle is loaded from ________.Lower; rear Higher; rear Higher; front Lower; front A
478 Headlight leveling actuator is located at Junction blockUnder the dashboard LH
sideIn headlight assembly Near leveling switch C
479In Swift Diesel, if fuel pressure before fuel filter is less than
specified 190kPa, then possible causes could beFilter relief valve Injector Common rail Diesel filter chocked A
480Continuity pattern for a good 'Fuel water detection sensor'
for swift Diesel is Continuity In water No continuity In Diesel Both A & B Continuity In Diesel C
481In Swift Diesel correct condition for inspection of fuel back
flow at injectors isat ignition ON at 4000 RPM for 30 sec at 1500 RPM for 3 min any condition C
482Instruments can be used for checking fuel injector in petrol
vehicle Multimeter SDT
Special tool (Injector
tester) All of the these D
483In A-star vehicle the fuel pressure regulator is mounted on
the fuel railTRUE FALSE B
484 In Ritz vehicle, the location of fuel filter is near fuel tank TRUE FALSE B
485How many fuel return lines are available in Swift Diesel fuel
system1 2 3 4 D
486 Separate fuse for fuel pump is available in swift Diesel TRUE FALSE A
487 In petrol engine, fuel injectors receive power supply from ECM main relay fuel pump relay Directly from battery B
488 Diesel injectors receive power supply from _________ ECM main relay fuel pump relay Directly from battery A
489Name the special tool to be used to tighten high pressure
pipe joint to specified torque in Diesel fuel system Open end spanner Socket Crow foot spanner Adjustable wrench C
490_______ type fire extinguisher to be available while
servicing fuel systemCO2 Foam water pump Sand A
491 If fuel tank is observed rusty inside then Replace tank Flush tank repeatedly Apply rust removerCan be used rusty
conditionA
492 Alternator testing is carried out at _______ RPM 2000 Idle 1000 4000 A
493 Decision to charge a battery should be based on Voltage Specific gravity Alternator voltage Both A & B D
494 Charging time for a battery is decided based on _________ Specific gravity Terminal Voltage No. of cells Based on battery size A
495During battery charging, if 4 batteries are connected to
charger, the voltage setting on battery charger should be
_____________
14.2 V 24 V 48 V 12 V C
496While charging multiple batteries, the batteries should be
connected in Parallel Series One at a time any condition B
497The charging current while charging 1 Wagon R battery and
while charging C wagon R batteries is same.True. False. A
498 During battery charging, the battery vent caps should be removed Loosely fitted Fitted tight Any condition B
499Current leakage form battery is measured by connecting
multimeter between ____________ terminal and
__________wire
Positive terminal &
Negative cable (series
connection)
Positive terminal & Body
ground (Parallel
connection)
Positive terminal &
positive cable (series
connection)
Positive terminal &
positive cable (parallel
connection)
C
500Battery negative cable is grounded at ___________ no. of
locationsVehicle Body Engine/Transmission Exhaust Manifold Both A & B D
501 Short term fuel trim value in negative % means Air fuel mixture is being
made lean by ECM
Air fuel mixture is being
made rich by ECM
Air fuel mixture is being
made Stoichiometric None of these A
502Which of these parts are part of evaporative emission
control systemEGR valve IAC valve Purge valve exhaust valve C
503 In Ritz, A/F sensor is located at Intake manifold Exhaust manifold After catalytic converter Near air filter B
504Improper electrical throttle body calibration will lead to
___________ and ______________ complaintsLate starting abnormal engine idling Both A & B Neither A & B C
505Manifold Absolute pressure (MAP) value increased with
increase in engine RPMTRUE FALSE A
506 In petrol engines, immobilizer system has control on Injector Igniter coil Both A & B Neither A & B C
507In Diesel vehicle MIL lamp ON indicates problem in engine
control system that affects emission. True. False. A
508In Diesel vehicle, SVS lamp ON indicates problem in engine
control system that affects emission.TRUE False. B
509When DTC is stored in Pending status, MIL
lamp__________ in vehicle start condition Will be ON Will be blinking Will be OFF Will be On intermittently C
510The name of fuse available for protecting ECM in positive
power supply circuit is _____IG Fuse FI Fuse Dome Fuse Back Fuse B
511 In swift Petrol vehicle the radiator fan has Single speed only Two Speed Three Speeds None of these B
512Knock sensor working can be checked by which
instrument?Multimeter SDT Oscilloscope SDT data list Clamp on meter B
513 Boost pressure in swift diesel is to be checked At ignition ON Above 2000 rpm At 1500 rpm for C min Above 4000 rpm B
514In Ritz vehicle petrol injectors can be switched ON and OFF
using SDT in active test modeTRUE FALSE A
515 In Diesel engines, common rail pressure is controlled by .. High Pressure pump Low pressure pump ECM Fuel pressure sensor C
516 In petrol engines injection pulse width is regulated by Injectors Fuel pressure regulator ECM Fuel pump C
517Stabilizer bar joint nut in Swift tightened with the help of
________Torque wrench Spanner and Allen Key Adjustable wrench Torque bit B
518Among wheel alignment parameters only _________ can
be adjusted in Ritz D vehicle.Caster camber Toe In None of these C
519 Suspension arm bush can be reused once removed TRUE FALSE B
520 Rear toe in is adjustable in Ritz TRUE FALSE B
521As per a service bulletin, if rear toe in of Swift is more that
4.5mm, then what is to be doneReplace wheel bearing Rear axle rear wheel rim rear wheel spindle D
522 Name the instrument to check wheel rim, run out Dial gauge Vernier caliper Micrometer Straight edge A
523In Swift ,blower motor relay is normally located at
___________
Engine compartment fuse
boxJ/B fuse box Separate location in ECM B
524 Name the tool to be used for A/C performance inspection Thermometer SDT manifold gauge All of these D
525During A/C performance checking blower speed selector
should be at ___________ position Maximum speed Minimum speed Any speed A
526During A/C performance checking blower air direction
selector knob should be at ___________ position Demister Mode Face Mode Dual Mode any condition B
527A chattering noise is heard when compressor is in
operation. The problem could be ____________
Clearance between
magnetic clutch and pulley
is High
Clearance between
magnetic clutch and
pulley is Low
Low refrigerant quantityMore refrigerant
quantityA
528If compressor is in operation after switching OFF the AC
switch. The problem could be ____________
Clearance between
magnetic clutch and pulley
is High
Clearance between
magnetic clutch and
pulley is Low
Low refrigerant quantityMore refrigerant
quantityB
529When charging refrigerant without replacing any
component, replenish the same amount of measured oil
when recovering refrigerant
TRUE FALSE A
530 AC gas charging should be carried out.
Through low pressure side
of A/C system with engine
running
Through high pressure
side of A/C system with
engine
running
Through high pressure
side of A/C system with
engine stop
Through low pressure
side of A/C system with
engine
stop
B
531As per correct order of A/C gas recharging, Compressor oil
feeding is done After recovery of AC gas Before Charging AC gas After Charging AC gas Any time C
532Identify the correct statement, while replacing new A/C
compressor
Oil quantity of old
compressor is to be
maintained inside new
compressor
Oil quantity in new
compressor to be
maintained as in factory
condition
A
533Blower motor is inspected for continuity and
___________________Current resistance Voltage None A
534In Swift Diesel, A/C compressor is inspected for the which
parametersResistance Clutch clearance Both None C
535Proper defogging can be done if defogger is operated with
air intake actuator in recirculation modeTRUE FALSE B
536Dual pressure switch should be checked in which of the
following conditionHigh pressure Low pressure High and low pressure Any condition C
537 Sun load sensor is located at dashboard near bumper On roof Under bonnet A
538 DTC ((without SDT) of Auto A/C system on SX4 appears on Tachometer OdometerLamp in combination
meterAuto A/C controller D
539The engine overheats when radiator fan does not operate
the problem could be
Radiator Fuse blown Radiator cooling fan
relay faulty Wiring or ground faulty
All of these D
540If air bleed valve of thermostat is stuck up, then engine will
overheatTRUE FALSE A
541 The fail safe mode of ECT