Print Report Your Answers Question. 1) Correct This material is used in threaded pipe connections to prevent leakage A. polymer B. elastomeric gasket C. teflon (Your Answer) D. structural polyester thread Question. 2) Correct What is used to shut off flow of water during maintenance? A. check valve B. angle valve C. gate valve (Your Answer) D. globe valve Question. 3) Incorrect A pipe fitting shape like letter “S”? A. P-trap (Your Answer) B. Double Bend C. U-trap (Answer) D. ¼ St. Bend Question. 4) Incorrect In the given figure, identify the plumbing fixture in label "8"?
Transcript
Print Report
Your Answers
Question. 1)
Correct
This material is used in threaded pipe connections to prevent leakage A. polymer B. elastomeric gasket C. teflon (Your Answer) D. structural polyester thread
Question. 2) Correct What is used to shut off flow of water during maintenance? A. check valve B. angle valve C. gate valve (Your Answer) D. globe valve
Question. 3)
Incorrect
A pipe fitting shape like letter “S”? A. P-trap (Your Answer) B. Double Bend C. U-trap (Answer) D. ¼ St. Bend
Question. 4) Incorrect In the given figure, identify the plumbing fixture in label "8"?
A. 2" 1/4 bend B. 2" trap assembly (Your Answer) C. 2" 1/4 bend D. 4" closet bend (Answer)
Question. 5)
Correct
What do you call a water-tight receptacle used to store household waste? A. pit B. septic vault (Your Answer) C. stp D. house drain
Question. 6) Correct The minimum sized of a trap and waste branch for a size of foot bath? A. 1 1/4 diameter B. 2 diameter (Your Answer) C. 1,1/2 diameter D. 1 diameter
Question. 7 Correct
)
Minimum size of trap of shower drain? A. 3 B. 4 C. 2 (Your Answer) D. 1 1/2
Question. 8) Correct A pipe fitting to join two straight lengths of pipes? A. coupling (Your Answer) B. nipple C. tee D. elbow
Question. 9)
Incorrect
Base on the figure shown, identify the type of closet at leter
"A"? A. siphon-vortex (Your Answer) B. siphon-jet (Answer) C. wash-down D. reverse-trap
Question. 10) Correct Allowable slope of sanitary sewer? A. 1ft of 1 meter B. 1/2 in of 1 meter C. 1/4 of 1meter D. 1/4 of 1 ft (Your Answer)
Question. 11)
Incorrect
In a location where there is no provision for drainage line, what is the next best thing? A. store waste in the tank and dispose in sanitary fill (Answer)
B. use drain tiles connected to open field (Your Answer) C. connect to the nearest creek D. any of the above
Question. 12) Correct Can you embed a 4" diameter pipe in a 150 wall? A. no (Your Answer) B. yes
Question. 13)
Correct
One of the first steps in the selection of a suitable water supply source is? A. water (potability) (Your Answer) B. topography C. budgetary cost D. water (demand)
Question. 14) Correct Best for sanitary pipes? A. uPVC (Your Answer) B. PeX C. PP D. GI
Question. 15)
Incorrect
What do you call a liquid waste ( without urine/ industrial waste) discharges into the sewer? A. gray water (Answer) B. storm water C. black water (Your Answer) D. ground water
Question. 16) Correct What pipe should not be buried underground? A. BI pipe B. polyethylene pipe (Your Answer) C. GI pipe D. none
Question. 17)
Incorrect
There are several reasons why soil stacks are not allowed in columns. Which is not a reason? A. pipes will interfere with reinforcing bars B. the size of the columns will be larger C. cracks and leaks cannot be detected (Answer) D. the gas emitted will deteriorate concrete (Your Answer)
Question. 18) Correct A pipe fitting to change in one single direction (course) the flow of water: A. tee B. cross tee C. wye D. elbow (Your Answer)
Question. 19)
Correct
A pipe which conveys only liquid waste, free of fecal matter? A. wet vent B. waste pipe (Your Answer) C. vent pipe D. soil pipe
Question. 20) Incorrect What type of materials is used for the base of a septic tank? A. earth base (Your Answer) B. mass concrete C. lean concrete D. reinforced concrete (Answer)
Question. 21)
Correct
Level 3 types of water service refers to? A. artesian well (Your Answer) B. individual shallow well hand up installation C. public faucet D. individual house pipes- in connection with meter
Question. 22) Correct The minimum number of water closet unit required for the female population of an elementary school? A. 1 per 75 B. 1 per 35 (Your Answer)
C. 1 per 50 D. 1 per 100
Question. 23)
Correct
What can be discharge directly to sewer system? A. buiding sewer (Your Answer) B. oil and grease C. storm water D. grey water
Question. 24) Incorrect
Base on the figure above, which of the following is a 1/8 bend fitting? A. a B. d (Your Answer) C. c D. b (Answer)
Question. 25)
Incorrect
Best location to put the soil pipes? A. drywall B. 150mm CHB wall (Your Answer) C. pipe chase (Answer) D. box-up with the column
Question. 26) Unanswered What type of pipe is not recommended for water line? A. copper B. lead (Answer) C. GI D. iron
Question. 27)
Incorrect
How do you connect 2 hub less cast iron pipes?
A. coupling (Your Answer) B. elbow C. structural compression gasket (Answer) D. polymer compression gasket
Question. 28) Correct What is the minimum trap seal? A. 1.5" B. 2" (Your Answer) C. 2.5" D. 3"
Question. 29)
Correct
Base on the figure above, which of the following is a 1/4 bend fitting? A. a (Your Answer) B. d C. c D. b
Question. 30) Correct
In the figure above, which is a flange adaptor? A. A
B. B C. C D. D (Your Answer)
Question. 31)
Correct
What is the color of pipes for steam? A. light blue B. gray C. blue D. white (Your Answer)
Question. 32) Correct Plumbing permit shall be invalid if work has not commenced after a period of? A. 6 months B. 1 year (Your Answer) C. 180 days D. none
Question. 33)
Correct
Kind of pipe not suited to be exposed to ultraviolet rays? A. PB B. iron C. pvc (Your Answer) D. gi
Question. 34) Correct The prescribe color coding of piping under refrigerating division of all pipes and fittings? A. white B. yellow C. gray D. black (Your Answer)
Question. 35)
Correct
The minimum sized of a trap and waste branch for a pedestal urinal? A. 2 diameter (Your Answer) B. 2 1/2 diameter C. 3 diameter D. 4 diameter
Question. 36) Correct Where will you least place a downspout? A. at corner of walls B. inside columns C. wall hung D. in between window openings (Your Answer)
Question. 37)
Incorrect
Which is not a rule of a thumb when designing a drainage? A. as much as possible, pipes must run in a straight line (Your Answer) B. underground drainage line should be on top of compacted soil C. it should be underneath the driveway (Answer) D. none
Question. 38) Correct According to NBC, pipe support should be every, A. 3 m (Your Answer) B. 1.5 m C. 2 m D. 4 m
Question. 39)
Correct
What is used in water pipelines to absorb the shock caused by water hammering? A. shock regulator B. air chamber (Your Answer) C. water regulator D. shock absorber system
Question. 40) Correct Standard Water pressure from NAWASA? A. 60psi (Your Answer) B. 120psi C. 30 psi D. 40 psi
Question. 41)
Correct
The quality of Galvanized Iron pipes are rated by?
A. class B. schedule (Your Answer) C. thickness D. gauge
Question. 42) Correct How do we size sewage pits? A. volume of solid waste only (Your Answer) B. volume of liquid waste C. volume of solid, liquid and storm D. none
Question. 43)
Correct
What is the principle of governing the size of pipes in designing plumbing systems?
A. the longer the pipes length to the fixture, the lesser the pressure; the shorter the pipes length, the greater the pressure is
B. the bigger the pipes diameter, the lesser the pressure; the smaller the pipes diameter , the greater the pressure is (Your Answer)
C. the smaller the pipes diameter the lesser the pressure; the bigger the pipes diameter, the greater the pressure
D. slopes is the primary consideration and sizes will be considered secondary
Question. 44) Correct A pipe that conveys the discharge of water closets or fixtures having similar functions with or without the discharges from other fixtures? A. waste pipe B. soil pipe (Your Answer) C. branch pipe D. drain pipe
Question. 45)
Correct
The minimum size of trap and waste branch for a bidet? A. 3 diameter B. 1- 1/2 diameter C. 2 diameter (Your Answer) D. 1 diameter
Question. 46) Correct What is the typical slope of a waste pipe? A. 1%
B. 2% (Your Answer) C. 3% D. 4%
Question. 47)
Correct
In plumbing system, if pipes are electrical wires, what are the equivalent of switches? A. tee B. floor drains C. clean out D. valve (Your Answer)
Question. 48) Incorrect The minimum size of a swimming pool drain? A. 3”dia. B. 4”dia C. 2”dia (Answer) D. 6”dia (Your Answer)
Question. 49)
Incorrect
A plumbing devices designed to intercept most greases and solids before they enter a wastewater disposal system. Except for one; A. trap seal (Answer) B. grease interceptors C. grease recovery devices (Your Answer) D. grease converters
Question. 50) Incorrect Where is water meter located? A. right after the main distribution line connection (Answer) B. beside the water pump C. within RROW, right before the property line (Your Answer) D. right side of the water pump or in it's flow direction
Question. 51)
Correct
Women’s urinal fixture? A. washdown B. flatback C. feminine stall urinal
D. Bidet (Your Answer)
Question. 52) Correct How could you differentiate between a soil and waste pipe when laid side by side? A. color B. material and texture finish C. thickness D. diameter (Your Answer)
Question. 53)
Correct
A term used to describe pumps that are interconnected with each other? A. gang B. series C. battery (Your Answer) D. none
Question. 54) Correct A pipe fitting having a large radius of curvature?
A. X11.1 B. X11.2 C. X11.3 (Your Answer) D. X11.5
Question. 55)
Incorrect
An individual vent for a plumbing fixture located at the downstream of a trap?
A. vent pipe B. back vent (Answer) C. branch vent (Your Answer) D. vent through roof
Question. 56) Correct Fluoride as an addictive in water supply is a chemical for? A. purify B. coagulant (Your Answer) C. disinfectant D. dental
Question. 57)
Correct
What is the best fixture for a public comfort room? A. gate valve B. flushometer (Your Answer) C. faucet D. none
Question. 58) Correct Which wall is best suited if soil pipe will run through it? A. drywall B. 6" CHB (Your Answer) C. shear wall D. retaining wall
Question. 59)
Correct
A type of coupling or joining device having internal screw threads or nuts with opposite screws at the end. By turning the internal screws, it is possible to connect two metal rods and regulate the length and tension of this rods? A. vice grip B. union patente C. turnstile D. turnbuckle (Your Answer)
Question. 60) Correct
In the figure above, which is a reducing socket? A. A B. B (Your Answer) C. C D. D
Question. 61)
Incorrect
The minimum slope of a building drain? A. 1/16 in./ft. (Answer) B. 1 in. / ft. (Your Answer) C. 1/8 in. /ft. D. ¾ in. /ft.
Question. 62) Incorrect Minimum clearance from the floor of pipes for AC units when crossing a hallway or corridor? A. 2.1 m (Your Answer) B. 2.2 m C. 2.3 m (Answer) D. 2.4 m
Question. 63)
Incorrect
Theater or movie house’s water requirement is determined or estimated at 5 galloons of water per day for? A. total numbers of movie goer per day B. floor area space of auditorium (Your Answer) C. total number of auditorium seat (Answer) D. box office record
Question. 64) Incorrect Best size of pipe connected to 5 sinks? A. 3" (Your Answer) B. 2 1/2" C. 2" D. 4" (Answer)
Question. 65)
Correct
What is installed in a fixture to alleviate the effects of too much water pressure? A. water pressure regulator (Your Answer) B. back splash C. water filtration D. regulator cup
Question. 66) Incorrect A pump used to eject sewage or liquid waste?central sewage booster A. centrifugal pump (Your Answer) B. sump (Answer) C. rotary pump D. central sewage booster
Question. 67)
Correct
Which plumbing fixture does not have a water-saving feature? A. lavatory with pop-up B. 1.5 gallon flush water closet C. flow limiting feature (Your Answer) D. waterless urinal
Question. 68) Incorrect
A tee shaped pipe fitting for making a three-way joint? A. X11.8 B. X11.9 C. X11.6 (Your Answer) D. X11.4 (Answer)
Question. 69)
Correct
A toilet bowl in which the flushing water enters through the rim and sipping action ignited by a water jet draws the contents of the bowl through the tramway? A. siphon jet (Your Answer) B. siphon vortex C. reverse trap D. reverse trap
Question. 70) Incorrect Where are storm sewer usually placed? A. under the sidewalk on narrow road and under the road on wide road (Your Answer) B. near the curb (Answer) C. at the center of the road D. none
Question. 71)
Incorrect
What is the most efficient tools for cutting cast iron pipe? A. handsaw
B. hacksaw (Your Answer) C. chisel and hammer D. snap cutter (Answer)
Question. 72) Correct What do you call a control valve used to shut off at the water supply to a building in case of emergency. It is installed at a water service pipe and operated by means of long key inserted through a curb box? A. curb cock B. corp stop (Your Answer) C. cock stop D. emergency cock
Question. 73)
Correct
A piece of pipe threaded outside all through out to connect short runs of two pipe fittings? A. nipple (Your Answer) B. supply pip C. coupling D. close nipple
Question. 74) Correct What is use for water treatment in a swimming pool? A. chloride (Your Answer) B. sodium C. cyanide D. hydrochlor
Question. 75)
Correct
A common ingredients for water disinfectant, except for ? A. Trichlor B. bichlor (Your Answer) C. dichlor D. Trichloro-S-Triazinetrione
Question. 76) Correct What property is used to distinguish between potable and sanitary uPVC pipes? A. thickness B. nominal diameter C. outside diameter D. color (Your Answer)
Question. 77)
Correct
During the site inspection, the architect notices that a soil pipe will cross a beam, whats the best advice he can do? A. resize the diameter of the soil pipe, enough that can go across the beam without affecting it B. it doesn't matter anyway, let the master plumber handle it.
C. drill a hole of the beam, enough diameter that a pipe could go in and pass through. Just make sure that the hole is precisely in the middle to avoid the bars to be hit in.
D. simply ask to relocate, it's just a pipe anyway (Your Answer)
Question. 78) Correct In storm drainage system, it is used to prevent aggregates, debris and other unwanted objects from entering the drainage system? A. trap B. catch basin (Your Answer) C. FD D. storm trap
Question. 79)
Correct
Prevents water hammer? A. water meter seal B. float valve C. check valve D. air chamber
Question. 80) Unanswered Where traps are used to prevent foul odor from coming out. Which of the following does not have a water trap? A. kitchen sink B. lavatory C. floor drain D. bidet (Answer)
Question. 81)
Incorrect
Copper pipes are classified as what main pipe? A. galvanized iron (Your Answer) B. ceramic (Answer) C. s/s D. pvc
Question. 82) Incorrect
A tee having a slight curve in 90degree bend transition to channel the flow from a branch pipe in the direction of the main? A. X11.1 (Your Answer) B. X11.9 C. X11.6 (Answer) D. X11.7
Question. 83)
Correct
A faucet fitted with nozzle curving downward used as a draw-of trap? A. firehouse B. bibcock C. lavatory faucet (Your Answer) D. garden hose
Question. 84) Correct Opening use to received pipes? A. vertical shaft B. pipe chase (Your Answer) C. ducts D. raceway
Question. 85)
Correct
The sewage treatment process that involves the use of hydrochloride to kill pathogenic
bacteria? A. disinfection (Your Answer) B. aeration C. chlorination D. hydro-chlorine filtration
Question. 86) Correct Water well yield is a factor considered to determine the size of? A. fixtures B. electrical wiring C. water pipe (Your Answer) D. pump
Question. 87)
Correct
Maximum distance of clean-out? A. 5 m (Your Answer) B. 6 m C. 10m center to center D. 15 m
Question. 88) Correct What should not be permitted to cross a beam? A. soil pipe (Your Answer) B. electrical wiring C. water pipe D. AC ducts
Question. 89)
Correct
It is the line in a single diagram that runs from the fuses to the home run? A. ground wire B. riser (Your Answer) C. main D. single fuse diagram
Question. 90) Correct The minimum size of a trap and waste branch for a shower stall? A. 2 diameter (Your Answer) B. 3 diameter C. 1 1/2 diameter
D. 1 diameter
Question. 91)
Correct
Black steel pipe with galvanized malleable fitting is ideal for? A. oxygen pipe B. electrical conduit C. gas pipe (Your Answer) D. water Pipe
Question. 92) Correct When there is a low pressure from the water main, what will you use to supply higher levels? A. pneumatic pump B. sump pump C. jet pump D. booster pump (Your Answer)
Question. 93)
Incorrect
A general term used for any vertical line of soil, waste, or vent piping? A. stand pipe B. riser (Your Answer) C. shaft D. stack (Answer)
Question. 94) Correct Where would you locate water distribution pipe farthest from? A. large trees (Your Answer) B. carport C. drainage D. water tank
Question. 95)
Incorrect
A cross fitting having a slight curve in each of the 90degree transition to channel the flow from branch pipes in the direction of the main? A. X11.1 (Your Answer) B. X11.6 C. X11.8 (Answer) D. X11.9
Question. 96)
Correct
The minimum distance (in meters) of a well from a septic tank? A. 15 (Your Answer) B. 10 C. 25 D. 20
Question. 97)
Correct
Minimum height of siamese connection from ground line? A. 38mm (Your Answer) B. 45mm C. 500mm D. 600mm
Question. 98) Correct Valve permitting a gas or liquid to flow in 1 direction? A. check valve (Your Answer) B. globe valve
C. angle valve D. gate valve
Question. 99)
Incorrect
The part of a vent line which connects directly with an individual trap underneath or behind the fixture and extends to the branch or man pipe at any point higher than the fixture trap? A. Blow-pipe B. VTR (Your Answer) C. Back vent pipe (Answer) D. Soil pipe
Question. 100) Correct A sewage treatment that includes the exposure to air? A. aerator (Your Answer) B. air-dehumidification treatment system C. exposed STP system D. SW treatment system
Question. 101)
Correct
Should not be used for a pipe chase? A. chb B. drywall (Your Answer) C. shearwall D. double wall
Question. 102) Unanswered A drain connecting one or more fixtures to a solid or waste stack? A. combined drain (Answer) B. floor drain C. circuit drain D. branch drain
Question. 103)
Correct
How do you connect PPRC? A. mechanical fastener B. Solvent C. fusion welding (Your Answer) D. coupling
Question. 104) Incorrect
Base on the figure shown, Which of the WC is the noisiest? A. A B. B (Your Answer) C. C (Answer) D. D
ExplanationThe noisiest is washdown. The answer is correct. Try to see the photo again.
Question. 105)
Incorrect
What is the color coding of pipes for potable water? A. cyan B. green (Your Answer) C. blue (Answer) D. light blue
Question. 106) Incorrect
Alternative to the conventional septic tank? A. aerobic treatment system (Answer) B. cistern C. STP (Your Answer) D. landfill
Question. 107)
Correct
In high rise buildings, why is there a need to resize water supply pipes? A. because different fixtures have different supply attachments B. to use up the difference in pressure from the service to the supply fixtures (Your Answer)
C. pipes are like trees, main branch are bigger and becomes smaller at ends for carrying wind loads and storms
D. Pipes having bigger size have bigger pressure and reduce the size for distribution to fixture for lower pressure
Question. 108) Correct
An elbow having lugs for attachment to wall or joist? A. X12.1 B. X11.5 C. X11.4 D. X11.2 (Your Answer)
Question. 109)
Incorrect
What is the maximum depth of septic tank?
A. 1.10 m B. 1.20 m C. 1.50 m (Your Answer) D. 1.80 m (Answer)
Question. 110) Correct The minimum number of a urinal fixture required for the male population of both elementary and secondary school? A. 1 per 40 B. 1 per 50 C. 1 per 60 D. 1 per 30 (Your Answer)
Question. 111)
Incorrect
A. A (Answer) B. B C. C D. D (Your Answer)
Question. 112) Correct What is the color of communication line piping? A. white B. orange C. gray (Your Answer) D. silver
Question. 113)
Correct
There is a septic tank installed on top of a rock by seashore. The tank is exposed on low tide and covered in sea water during high tide. Which of the following would be an appropriate water proofing for it? A. waterproof all surface (Your Answer) B. waterproof all interior surface except the floor C. waterproof all interior surface except the ceiling D. waterproofing is not necessary, it will just add cost
Question. 114) Correct Where should you place soil-pipes for high-rise structures? A. pipe chase (Your Answer) B. partitions C. RC wall D. column
Question. 115)
Incorrect
What is the standard water consumption (gallon/ person/day) used in a 2 story residence? A. 30-40 (Answer) B. 40-60 (Your Answer) C. 50-80 D. 90-120
Question. 116) Incorrect When water goes up through a vertical pipe, it stops at a certain height. Why? A. gravity and friction overcomes the pressure and the water slowly stops
B. the pressure inside the pipe equates to the pressure outside the pipe causing the water to stop at that point where it apnears(Answer)
C. it's own gravity weight counters its speed of going up (Your Answer) D. all things stops
