F 1 Which of following materials cannot efficiently be cut with OFC? a) High carbon steel b) Low carbon steel c) Stainless steel d) Cast iron e) c and d above

F2 Electrical conductivity of a part is the primary requirement for which NDT method?

a) ET b) UT c) PT d) RT e) none of the above

F3 The melting point of carbon steel is approximately

a) 2250 F b) 2375 F c) 2780F d) 3005 F e) 3333 F

F4 Decibel is a term associated with which NDT method?

a) UT b) RT c) MT d) PT e) ET

F5 Which type of GMAW metal transfer results in the least amount of penetration ?

a) globular b) short circuiting c) spray d) pulsed spray e) globular spray

F6 Which of the following gases is not commonly used as a shielding gas for GTAW?

a) Argon b) Carbon dioxide c) Helium d) Argon/helium e) None of the above

F7 After rejected weld has been repaired, reinspected and found to be acceptable, the welding inspector should:

a) Change original inspection report to indicate the parts acceptance b) Simply mark directly on the part c) Fill out a second inspection report d) Simply tell the foreman to have the part moved to its next operation e) None of the above

F8 When a metal is alloyed, the atoms of the alloy are incorporated into the original metal lattice structure by:

a) Inclusion b) Substitution c) Interstitial d) a or b above e) b or c above

F9 Shimmed IQI are utilized in which NDT method?

a) UT b) ET c) RT d) MT e) PT

F10 Which of the following is not utilized as a semiautomatic process ?

a) GMAW b) FCAW c) OFW d) SAW e) c and d above

F11 The performance of which of the following test methods is least affected by high part temperatures?

a) ET b) RT c) PT d) UT e) None of the above

F12 Crater cracks are most often the result of:

a) improper technique b) improper filler metal c) improper base metal d) all of the above e) none of the above

F13 The tail of a welding symbol can be utilized for:

a) denoting welding process requirements b) denoting welding procedure requirements c) denoting welding electrode requirements d) none of the above e) all of the above

F14 As tempering temperature increases:

a) hardness increases b) hardness decreases c) elongation decreases d) a and c above e) b and c above

F15 In GMAW, the distance from the end of the contact tube to the arc is:

a) arc length b) electrode extension c) stickout

d) a and b above e) b and c above

F16 Which of the following is not a type of metal transfer in GMAW?

a) spray b) short circuiting c) globular d) pulsed arc e) none of the above

F17 Ultraviolet light is utilized with what NDT method?

a) VT b) PT c) MT d) a and b above e) b and c above

F18 The technique which does not aid in reducing residual stress is:

a) peening b) vibratory stress relief c) thermal stress relief d) external restraint e) preheating

F19 Using VT, all the following flaws may readily be detected except?

a) surface crack b) undercut c) overlap d) underfill e) none of the above

F20 Part dimensions can be revealed using all but which of the following?

a) MT b) UT c) ET d) VT e) all of the above f) none of the above

F21 Which of the following tests are utilized for determination of a materials toughness?

a) Charpy test b) dynamic tear test c) drop-weight nil-ductility test d) all of the above e) none of the above

F22 Of the following elements, which are utilized as an alloy to pure tungsten to produce GTAW electrodes?

a) zirconium b) thorium c) columbium d) a and b above e) b and c above

F23 For single bevel groove weld symbols which denote joints having only one of the two members prepared, the line of the weld symbol running perpendicular to the reference line appears:

a) on the right b) on the left c) on either side, depending on company policy d) on the side in which the straight side actually appears in the joint e) does not matter

F24 When welding medium carbon steel using the FCAW process, the heat affected zone hardness will increase when:

a) the weld is allowed to cool slowly b) the base metal is thin c) the weld current is decreased d) the travel speed is increased e) preheat is utilized

F25 Of the following, which is not a cause of undercutting when using SMAW?

a) Weld current too high b) Travel speed too slow c) Welding electrode too large d) Improper electrode manipulation e) Use of electrode in a position other that for which it was designed

F26 NDT technicians may be qualified in accordance with the requirements of:

a) AWS D1.1. b) API 1104 c) SNT-TC-1A d) ASME Section V e) ASME Section IX

F27 Of those below, which factor has the least effect on the amount of residual stress and distortion which will result from welding?

a) Heat input b) Phase changes c) Preheat d) Tensile strength e) Coefficient of thermal expansion

F28 Capillary action plays a role in which NDT method?

a) ET b) UT c) RT d) PT e) MT

F29 If a welder is continually turning out rejectable work, the welding inspector should:

a) Inspect his work more critically b) Ask that the welder be fired c) Require that the welder be requalified d) Instruct the welder in the proper techniques e) Ask that the welder use another process

F30 Which of the following tests can be used to judge weld soundness? a) nick break b) side bend c) face bend d) radiography e) all of the above

F31 Arc blow can be caused by:

a) magnetic field distortion b) improper ground location c) welding at the end of a joint d) welding in corners e) all of the above

F32 Those shielding gases used primarily for GMAW include:

a) carbon dioxide b) argon c) helium d) a and b above e) all of the above

F33 Developing is one of the steps in which NDT method?

a) UT b) RT c) PT d) A and b above e) B and c above

F34 Which discontinuity below will provide the sharpest MT indication?

a) Surface porosity b) Surface crack c) Subsurface porosity d) Subsurface crack e) Indications will be identical for all of the above

F35 In SMAW, an increase in arc length results in:

a) Increased current; increased voltage b) Decreased current; increased voltage c) Increased current; decreased voltage d) Decreased current; decreased voltage e) None of the above

F36 Weld inspection reports should always:

a) Be completed in ink b) Be done in pencil so mistakes can be easily corrected c) Be maintained only if the weld is rejectable d) Filled out by a clerk so that everything is readable e) Include the welders identification

F37 the property of a metal which relates to its ability to be cyclically loaded without failing is:

a) Hardness b) Toughness c) Tensile strength d) Fatigue e) Ductility

F38 In GMAW, the type of metal transfer requiring a special power supply is:

a) Spray b) Globular c) Pulsed arc d) Short circuiting e) None of the above

F39 Which of the following is truly a volumetric test method?

a) RT b) UT c) ET d) MT e) None of the above

F40 Use of preheat will results in:

a) A faster cooling rate and wider heat affected zone b) A faster cooling rate and narrower heat affected zone c) A slower cooling rate and wider heat affected zone d) A slower cooling rate and narrower heat affected zone e) None of the above

F41 Which of the following methods often utilizes an oscilloscope screen in the detection of flaws?

a) RT b) ET c) UT d) A and b above e) B and c above

F42 How are hardness and tensile strength related?

a) Increases hardness; decrease tensile strength b) Increase hardness; increase tensile strength c) Decrease hardness; increase tensile strength d) A and b above e) Not related

F43 In GMAW, the welding variable controlled by the wire feed speed is:

a) Arc length b) Voltage c) Current d) Stickout e) None of the above

F44 Those welding variables which affect heat input are: a) Voltage and current b) Current and travel speed c) Voltage, current and travel speed d) Voltage, current and temperature and preheat temperature

F45 As temperature increases:

a) Tensile strength increases b) Tensile strength decreases c) Ductility increases d) A and b above e) B and c above

F46 Which of the following provides the most effective protection from radiation?

a) Lead shielding b) Steel shielding c) Concrete shielding d) Cooper shielding e) None of the above

F47 Welding inspection should only performed:

a) When stipulated by the welding foreman b) After the weld has cooled to room temperature c) During the shift when welding was completed d) All of the above e) None of the above

F48 If the weld symbol appears directly on the reference line, it means:

a) Weld both sides b) Weld arrow side first c) Weld other side first d) Weld has no side significance e) None of the above

F49 Which of the following are considered to be arc welding processes?

a) SAW, ESW, SW b) FCAW, GTAW, PAW c) ESW, GMAW, SMAW d) FCAW, SW, ESW e) All of the above

F50 An E7016 SMAW electrode exhibits the following characteristics: a) Low hydrogen; AC only; iron powder b) Low hydrogen; AC and DCEP c) Low hydrogen; AC and DCEP; iron powder d) Rutile; DCEP e) Rutile; DCEP; iron powder

F51 Piezoelectricity is a property utilized by which NDT method?

a) UT b) ET c) RT d) A and b above e) B and c above

F52 The thermal treatment that usually follows quenching which restores some of the metals ductility to as:

a) Stress relief b) Tempering c) Hardening d) Normalizing e) Postheat

F53 Which of these methods is most often used to reduce residuals stress created by welding.

a) Prebending b) Shot blasting c) Quenching rapidly after welding d) Post-weld heat treating e) None of the above

F54 The physical principle which permits the migration of liquid penetrants into very fine surface discontinuities is:

a) Magnetic permeability b) Optical fluorescence c) Capillary action d) Emulsification e) None of the above

F55 The process whereby a large gap is filled with braze material without the help of capillary action is:

a) Torch brazing b) Arc brazing c) Braze welding d) Dip brazing e) Flow brazing

F56 Which of the following contains base metal specifications?

a) AWS D1.1 b) ASME Section II, Part C c) AWS A5.1 d) ASME Section IX e) None of the above

F57 Which of the following is not considered to be a satisfactory method of magnetization when conducting a magnetic particle test?

a) AC coil b) AC yoke c) Dc coil d) DC prod e) None of the above

F58 Advantages of MT include all but:

a) The detection of surface flaws b) The detection of slightly subsurface flaws c) He detection of surface flaws tightly closed by carbon, slag or contaminants d) The fact that it is faster than PT e) None of the above

F59 In general, an increase in the carbon equivalent of a steel will result in an increase in its:

a) Ductility b) Hardness c) Strength d) A and b above e) B and c above

F60 The most commonly used process for welding light gage stainless steel tubing for critical applications is:

a) SMAW b) GMAW c) GTAW d) OFW e) None of the above

F61 The fuel gas most commonly used for OFW is:

a) Acetylene b) Propane c) Natural gas d) Methane e) All of the above

F62 Which of the following can result hydrogen is introduced into the molten weld puddle?

a) Porosity b) Underbead cracking c) Delayed cracking d) B and c above e) All of the above

F63 Entrapped slag can result when using:

a) SMAW b) SAW c) FCAW d) ESW e) All of the above

F64 The material property which describes its ability to withstand a load is:

a) Hardness b) Toughness c) Strength d) Fatigue e) None of the above

F65 The presence of paint on the surface of a part will most drastically affect the results of which NDT method?

a) PT b) RT c) MT d) All of the above e) None of the above

F66 If no information appears to the left of a groove weld symbol, this means:

a) No weld is required on that side b) The weld is to be full penetration c) The weld is to be continuous for the entire length of the joint d) No weld joint preparation is required e) None of the above

F67Which of the following flaws is not normally detected using RT?

a) Lamination b) Porosity c) Incomplete fusion d) Crack e) None of the above

F68 Dwell time a term associated with which NDT method?

a) MT b) PT c) RT d) ET e) None of the above

F69 The material property expressed in terms of an endurance limit is:

a) Fatigue b) Toughness c) Strength d) Ductility e) Hardness

F70 Fracture toughness results will often be expressed in terms of:

a) Breaking energy b) Tensile strength c) Percent elongation d) Endurance limit e) None of the above

F71 Shielding of the molten puddle in OFW is accomplished by:

a) A granular flux b) A chemical reaction c) An inert gas d) A vacuum chamber e) A flux paste

F72 In addition to judging the final quality of a weld, the welding inspector is also responsible for all except:

a) Checking for proper electrode storage b) Verification of a welders qualification c) Witnessing all repairs d) A and b above e) B and c above

F73 The last digital of a SMAW electrode designation is an indication of:

a) The composition of the coating b) The arc characteristics c) The recommended type of current

d) The degree of penetration e) All of the above

F74 ET can be used to detect all but:

a) A materials conductivity b) A materials hardness c) A thin materials thickness d) A materials heat treatment e) None of the above

F75 For a SMAW electrode, the next to the last number in the designation refers to:

a) The tensile strength of the weld deposit b) The positions in which it can be used c) The type of coating d) The recommended type of current e) None of the above

F76 The property of a material which relates to its resistance to impact is:

a) Hardness b) Fatigue c) Fracture toughness d) Tensile strength e) Ductility

F77 Of the following discontinuities, which is least likely to be result of some improper welding technique?

a) Porosity b) Lamination c) Lamellar tear d) Crack e) None of the above

F78 Which of the following is considered to be an advantage of VT?

a) Discontinuities can be located and noted when they occur b) It is capable of detecting subsurface discontinuities c) It can be done very economically d) A and b above e) None of the above

F79 Which of the following is not considered to be a welding inspectors responsibility to the public?

a) Undertaking only those for which he is qualified b) Being objective and factual in the performance of his duties c) Signing only for inspection which he has personally performed d) Reporting nonconformities to the news media e) None of the above

F80 Which of the following cannot typically be done in the overhead position?

a) SAW b) ESW c) Spray transfer GMAW d) A and b above e) All of the above

F81 No information appearing to the right of a groove weld symbol means:

a) The weld is to be full penetration b) No weld is required on that side c) The weld is to be continuous for the entire joint length d) No weld joint preparation is required e) None of the above

F82 The welding process typically utilizing a tubular electrode is:

a) SMAW b) GMAW c) FCAW d) SAW e) ESW

F83 The property relating to the metals resistance to indication is:

a) Strength b) Ductility c) Hardness d) Toughness e) Fatigue

F84 ET is the abbreviation for:

a) Eddy current testing b) Electromagnetic testing c) Emissive testing d) A and b above e) B and c above

F85 Filler metal specifications are found in which of the following documents?

a) AWS A5.1 through A5.30 b) ASME Section II, Part C c) AWS D1.1 d) A and b above e) B and c above

F86 The flux covering on a SMAW electrode provides all except:

a) Gas shielding for the molten puddle b) Arc stabilization c) Alloying d) Deoxidation e) None of the above

F87 When a weld joint preparation is found to be defective, the inspector:

a) Should allow welding to proceed if he feels that the welder can produce a satisfactory weld

b) Should instruct the welder in how to overcome the problem c) Report the deficiency to the proper supervisory personnel d) Require that the parts be disassembled and properly assembled e) None of the above

F88 The orientation of the probing energy source with respect to that of a flaw is not considered to be a significant variable in which NDT method?

a) RT b) UT

c) PT d) MT e) None of the above

F89 Information which appears to the left of the weld symbol refers to:

a) The weld length b) The weld size c) The electrode size d) The number of passes required e) None of the above

F90 Which process utilizes a granular flux?

a) SAW b) FCAW c) ESW d) A and b above e) b and c above

F91 Of those microstructural constituents below, the hardest is:

a) martensite b) ferrite c) bainite d) austenite e) pearlite

F92 In radiography, the image of a completely cracked weld on the film will:

a) appear as a reasonably well defined low density line b) appear as a reasonably well defined high density line c) appear as a row of low density spots or dots d) appears as a row of high density spots or dots e) none of the above

F93 A materials ductility is commonly expressed in terms of:

a) percent elongation b) percent reduction of area c) yield strength d) a and b above e) b and c above

F94 Who is responsible for the qualification of welding procedures?

a) Independent test lab b) fabricator c) welding inspector d) architect e) engineer

F95 What MT technique could be used for the discovery of longitudinal flaws?

a) Head shot b) Circular magnetization c) Longitudinal magnetization d) A and b above e) B and c above

F96 Which code gives prequalified status to certain weld joint configurations?

a) API 1104 b) AWS D1.1 c) ASME Section IX d) None of the above

F97 Information which appears to the right of the weld symbol refers to:

a) The process to be used b) The type of electrode to be used c) The length of weld required d) The size of weld required e) The required joint configuration

F98 When a clerical mistake is made while completing an inspection report, the inspector should:

a) Erase the error and fill in the correct information b) Cross out the error and supply the proper information c) Cross out the error, supply the proper information, as well as initialing and

dating the occurrence d) Attach a note to the report explaining the reason for the change e) None of the above

F99 The rapid quenching of a high carbon steel from the austenitizing range will result in the formation of:

a) Pearlite b) Martensite c) Cementite d) Ferrite e) Austenite

F100 When an austenitized steel is cooled to room temperature, an increase in the cooling rate will result in:

a) An increase in hardness and a decrease in hardness b) An increase in tensile strength and a decrease in hardness c) A decrease in tensile strength and an increase in hardness d) An increase in ductility and a decrease in hardness e) An increase in ductility and a decrease in hardness f) A decrease in hardness and increase in ductility

F101 That material property which is greatly affected by surface finish of the part is:

a) Strength b) Fatigue c) Ductility d) Toughness e) None of the above

F102 The heat treatment in which the materials temperature is raised to the austenitizing range, held for a prescribed time and then allowed to cool to room temperature while remaining in the furnace is referred to as:

a) Stress relief b) Annealing c) Normalizing d) Tempering e) Austenitizing

F103 In which direction does a rolled plate material exhibit is least amount of ductility?

a) Parallel to the rolling direction b) Transverse to the rolling direction in the plane of the plate c) Transverse to the rolling direction in a plane perpendicular to the plate surface d) A and b above e) B and c above

F104 When a weld has been rejected by qualified NDT technician, the welding inspector should:

a) Review the test results and maintain the test records b) Reinspect to verify the defect c) Accept the weld if its visual appearance is in compliance with the applicable

code or specification d) Require another inspection by a third party e) Accept the weld since it is a low stress region

F105 Equal thickness of steel, cast iron, aluminum, lead and copper are radiographed using the same exposure conditions. Which material will result in the darkest radiograph?

a) Lead b) Steel c) Aluminum d) Copper e) Cast iron

F106 The welding process which utilizes a no consumable electrode is:

a) GMAW b) SAW c) GTAW d) FCAW e) SMAW

F107 The heat treatment in which the materials temperature is raised to the austenitizing range, held for a prescribed time and the allowed to cool to room temperature in still air is referred to as:

a) Austenitizing b) Normalizing c) Annealing d) Quenching e) Tempering

F108 In a guided bend test using a bend radius equal to twice the thickness of the specimen, the outer surface of the bend is elongated approximately:

a) 10% b) 15% c) 20% d) 25% e) none of the above

F109 An E71T-1 electrode designation is for which welding process?

a) PAW b) FCAW c) SMAW

d) GMAW e) None of the above

F110 The welding inspector must be capable of:

a) Welding b) Performing NDT c) Performing chemical analysis d) All the above e) None of the above

F111 A break in the arrow line has what significance?

a) Welding must first be done on the arrow side b) Welding must first be done on the other side c) Welding must be done alternately on both arrow and other sides d) The arrow segment points to that member which receives some preparation e) None of the above

F112 It is discovered that a GMAW mild steel weld was produced with a shielding gas containing excess moisture? To determine the extent or surface and subsurface porosity which resulted, which NDT method would be most effective?

a) MT b) RT c) VT d) PT e) ET

F113 Which welding process always progresses in the vertical direction with welding occurring in the flat position ?

a) ESW b) SAW c) SMAW d) FCAW e) OFW

F114 The heat treatment in which the materials temperature is raised to just below the lower transformation temperature and held for a prescribed time before allowing it to cool to room temperature is referred to as:

a) Tempering b) Austenitizing c) Stress relieving d) Stress relieving e) Normalizing f) Preheating

F115 The value at which a materials behavior changes from elastic to plastic is referred to as the:

a) Yield point b) Modulus of elasticity c) Endurance limit d) Transformation temprature e) Youngs modulus

F116 Low hydrogen electrodes can be properly stored :

a) In a natural gas oven b) In a electric oven c) In a vented electric oven d) In a vented gas oven e) None of the above

F117 All welding symbol information referring to the arrow side of the joint is found:

a) In the tail b) Above the reference line c) Below the reference line d) Wherever dictated by company policy e) None of the above

F118 The marking of a rejectable weld should:

a) Be clear and understandable to all involved b) Be made with a steel impression stamp c) Note the proper repair procedure d) Always be in red e) Always include the welders identification

F119 MT cannot be used effectively to inspect:

a) Austenitic stainless steel welds on carbon steel b) Austenitic stainless steel welds on stainless steel c) Carbon steel welds on carbon steel d) A and b above e) B and c above

F120 Of the welding processes listed below, the one most commonly having the highest deposition rate is:

a) ESW b) FCAW c) SAW d) SMAW e) GMAW f)

F121 The use of preheat on a medium carbon steel will: a) Reduce distortion b) Reduce the possibility of hydrogen cracking c) Results in the formation of marten site d) A and b above e) B and c above

F122 The tensile test can be used to provide values for which of the following?

a) Yield point b) Ultimate tensile strength c) Modulus of strength d) Elastic limit e) All of the above

F123Which of the following is not an acceptable method for control of raw materials?

a) Color coding b) Alpha-numeric coding c) Chronological arrangement

d) Location segregation e) None of the above

F124 The welding inspectors duties should include:

a) The acceptance/rejection of welds b) The verification of a weld filler metal type c) The development of weld repair procedures d) A and b above e) B and c above

F125 In the construction of a welding symbol, the basic element is the:

a) Arrow b) Reference line c) Weld symbol d) Tail e) None of the above

Questions F 126 and F127 refer to Figure 1 F126 The length of weld:

a) Is not important. b) Cannot be determined directly from the symbol. c) Can be determined from the symbol d) All of the above e) None the above.

F127 The symbol in Figure 1 requires:

a) Field welding b) Weld all around c) A fillet weld d) The use of shielded metal arc welding e) All of the above

F128 A SMAW weld was produced in which the welder failed to properly clean between passes in a multipass weld. Which non-destructive test would best reveal the flaws which may be present in the completed weld?

a) RT b) VT c) MT d) PT e) ET

F129 SMAW can be utilized in which type of application?

a) Semi-automatic b) Machine c) Manual d) All of the above e) None of the above.

F130 What position is depicted in Figure 2 ?

a) 6G b) 5G c) 6F d) 6GR e) none of the above

F131 What is the approximate diameter of an electrode which measures 1.2 mm?

a) 0.472 in b) 4.72 in c) 0.39 ft d) 0.39 ft e) none of the above

F132 Underbead cracking is primarily caused by:

a) a source of hydrogen b) restraint c) excessive preheat d) all of the above.

F133 Which is not a true statement about brazing?

a) The base metal is not melted b) The filler metal melts at a temperature below 800 degreed F c) It can be dine in an inert gas atmosphere d) It relies on capillary action. e) None of the above

Questions F134 and F135 refer to Figure 3 F134 The first operation required by the above symbol is:

a) Ultrasonic inspection of the base metal b) Visual inspection of joint preparation c) Performance of groove weld d) Performance of back weld e) Back gouging

F135 Ultrasonic inspections is to be performed:

a) On the backing weld only b) On the entire length of weld c) On 10% of the weld length d) From the arrow side only e) None of the above

F136 Which welding process utilizes a constant current power source?

a) GMAW b) SMAW c) GTAW d) a and above e) b and c above

F137 Which of the following discontinuities is associated with shrinkage stresses in the through-thickness direction of thick plate?

a) Crater cracks b) Lamellar tears c) Toe cracks d) Root cracks e) None of the above.

F138 Which of the welding techniques below describes a welding process in which the arc and filler metal feeding is machine-operated while the joint travel speed and guidance are the responsibility of the welder?

a) Semi-automatic b) Manual c) machine d) automatic e) none of the above

F139 The symbol shown in figure 4 depicts:

a) a backing weld b) a field weld c) a melt-through weld d) weld all around e) grind to a rounded contour

F140 Which of the following symbols correctly describes the joint configuration shown in Figure 5?

F141 The width of the cut produced during a cutting process is referred to as:

a) root opening b) kerf c) bevel d) bevel angle e) chamfer

F142 For the 2G position in pipe welding:

a) the axis of the pipe is vertical and the plane of the weld is horizontal b) the axis of the pipe is horizontal and the plane of the weld is vertical. c) The pipe not fixed d) The axis of the pipe and the plane of the weld are at 45 degree angles with the

vertical plane e) None of the above.

FIGURA 4

F143 During operation, the heat for electroslag welding is provided by a) The arc b) The electrical resistance heating c) Of the granular flux d) The consumable quide tube e) a and b above f) B and c above

F144 A flow rate of 22 litters per minute is approximately equal to:

a) 466 cfh (cubic feet per hour) b) 46.62 cfh c) 10.38 cfh d) 103.8 cfh e) none of the above.

F145 It is suspected that a GMAW weld was produced in an area where there was an excessive draft. Which non-destructive test would best reveal the internal discontinuities which may have resulted.

a) PT b) MT c) RT d) UT e) None of the above.

Questions F146 through F149 refer to Figure 6 F146 The size of the arrow side weld is:

a) inch b) 5/16 inch. c) 1 inch d) 2 inch e) none of the above

F147 The length of the other side weld is:

a) 1 inch b) 6 inches c) 2 inches d) 4 inches e) none of the above

F148 The pitch of the other side weld is:

a) inch b) 4 inches c) 5/16 inch d) 1 inch e) 2 inches

F149 The process to be used in welding according to Figure 6 is:

a) the inspectors choice b) the fabricators choice c) not stated d) b and c above e) none of the above

F150 In order learn the exact location of a subsurface flaw in three directions, the best NDT method would be:

a) RT b) MT c) PT d) UT e) ET

F151 That surface of a member included in the groove best describes :

a) Root opening b) Groove angle c) Weld interface d) Groove face e) None of the above

F152 Crater cracks are the result of:

a) Poor welding technique b) Restraint c) Shrinkage d) Underfill of crater e) All of the above

F153 Figure 7 depicts which welding process?

a) SAW b) SMAW c) PAW d) GMAW e) FCAW

Questions F154 through F156 refer to Figure 8 F154 The boundaries indicates by A are:

a) Fusion line b) Depth of fusion c) Weld interface d) Fusion face e) None of the above.

F155 The dimension D is referred to as:

a) Fusion face b) Fusion zone c) Depth of fusion d) Weld interface e) Fusion line

F156 The weld interface is indicated by:

a) A b) B c) C d) D e) none of the above

F157 A preheat temperature of 225 degrees F is approximately equal to:

a) 380 degrees K

b) 107.2 degrees C c) 437 degrees C d) a and b above e) b and c above

F158 Which of the following welds is not considered applicable for an edge joint?

a) V-groove b) Plug c) Edge-flange d) U-groove e) J-groove

Questions F159 through F161 refer to Figure F159 The dimension A refer to:

a) Root penetration b) Weld penetration c) Depth of fusion d) Joint penetration e) None of the above

F160 The dimension D is called:

a) Joint penetration b) Weld size c) Root penetration d) a and b above e) b and c above

F161 The dimension B is referred to as:

a) joint penetration b) root penetration c) root reinforcement d) a and b above e) b and c above

F162 Which of the following is not a type of weld joint?

a) Lap b) T c) Fillet d) Butt e) Edge

F163 When using SMAW, wet electrodes will most likely cause :

a) Undercut b) Overlap c) Underfill d) Porosity e) All of the above

F164 Which of the following is considered to be an acceptable way to provide backing for a V-groove welds in a butt joint?

a) Cooper backing bar b) Ceramic backing c) Flux backing d) All of the above

F165 A welder deposits an average of 12 pounds of weld metal per hour. How many kilograms will be deposited in six hours of continuous welding?

a) 5.448 Kg b) 32.69 Kg. c) 54.48 Kg. d) 26.46 Kg. e) 158.76 Kg.

F166 a single wire submerged arc welding machine is operating at 600 amps. 32 volts and is travelling at 8 inches per minute. What is the heat in pout for this situation?

a) 2,400 J/in b) 1,152,000 J/in c) 144,000 J/in d) 110,000 J/in e) 14,400 J/in

F167 An Mt indication is noted at the toe of fillet weld which exhibits an excessively convex profile. What interpretation should be made?

a) Ignore, since it is a no relevant indication b) Reject the weld c) Grind to remove the excess convexity and retest d) Accept the weld e) None of the above

F168 The pipe welding test position in which the pipe is horizontal and rotated so that welding takes place at or near the top is designated as:

a) 2G b) 2F c) 3F d) 3G e) 1G

F169 The most efficient NDT method for discovery of undercut the face of a weld is:

a) VT b) RT c) UT d) MT e) PT

F170 The design strength of a fillet weld is always based on the throat dimension because:

a) It has a columnar microstructure, which is more prone to cracking. b) It is the shortest failure path trough the weld c) It is the location of most defects d) The design calculations cannot be checked e) It is a theory of failure that cannot be supported by actual laboratory testing

F171 Arc strikes are discontinuities most commonly associated with: a) ESW b) SAW c) SMAW d) a and b above e) b and c above

F172 Double-welded-groove joints always require:

a) backgouging b) Special welding processes c) High deposition rate from both sides of the joint d) None of the above

F173 What welding process is depicted in Figure 10?

a) FCAW b) GMAW c) SMAW d) SAW e) ESW

F174 Light-colored areas within the weld zone in a radiograph could represent

a) Porosity b) Tungsten inclusions c) Melt-through d) a and b above e) b and c above

F175 A single-welded-groove joint always requires:

a) special welding processes b) back gouging c) a backing bar d) no root opening e) none of the above

F176 The substance used in UT to aid in the transmission of sound from the search unit to the workpiece and back is called:

a) solvent b) attenuation c) couplant d) cable e) transducer

F177 A 30 pound roll of welding wire weights how many kilograms

a) 1.362 Kg. b) 66.15Kg. c) 13.62Kg. d) 661.5 Kg. e) 6.615 Kg.

F178 The junction of the weld whit the surface of the base metal is referred to as the:

a) face b) root

c) leg. d) Toe. e) Edge.

F179 Internal plate laminations are best revealed using:

a) UT b) RT c) MT d) PT e) ET

F180 Porosity in GMAW can be caused by :

a) Drafts b) Contamination c) Too little shielding gas flow d) Too much shielding gas flow e) All of the above

F181 The overhead fillet position is designated as:

a) 5F b) 4F c) 3F d) 2F e) 1F

F182 The radiograph in figure 11 shows:

a) cracks b) incomplete fusion c) incomplete penetration d) slag inclusions e) none of the above

F183 The welding process depicted in Figure 12 is:

a) GMAW b) SAW c) SMAW d) GTAW e) PAW

F184 The radiograph shown is Figure 13 exhibits:

a) Slag inclusions b) Tungsten inclusions c) Porosity d) Incomplete fusion e) None of the above.

F185 How many micrometers are in one meter?

a) 1,000,000 b) 1,000 c) 100 d) 1,000,000,000 e) none of the above

F186 In groove weld cross section, the separating weld metal from base metal is called:

a) the fusion face b) the depth of fusion c) the depth of penetration d) the weld interface e) none of the above

F187 in the radiograph in Figure 14, the, arrows point to:

a) transverse cracks b) a crater crack c) a longitudinal crack d) an underbead crack e) none of the above

F188 Incomplete fusion can be caused by:

a) laminations b) weld joint contamination c) undercut d) wet electrodes e) seams and laps

F189 In pipe groove welding, the 45 degree fixed position is designated as:

a) 1G b) 2G c) 2F d) 5G e) 6G

Questions F191 through F195 refer to Figure 15 F190 The A dimension is referred to as:

a) the throat b) the size c) the leg. d) a and b above e) b and c above.

F191 F points to:

a) the root penetration b) the weld c) penetration d) the weld root e) the joint root f) none of the above.

F192 The dimension C shows:

a) The theoretical throat b) The actual throat c) The effective throat d) a and b above. e) b and c above

F193 The dimension D is called

a) the theoretical throat b) the effective throat c) the actual throat d) a and b above e) b and c above.

F194 The dimension E refers to:

a) The actual throat b) The effective throat c) The theoretical throat d) a and c above e) None of the above.

F195 If a wire being fed at a speed of 120 mm/s, hoe many inches per minute is that equal to?

a) 28.3 pm b) 283 pm c) 50.75 pm d) 5.076 pm e) none of the above.

F196 The defect noted in the radiograph in Figure 16 is:

a) Incomplete penetration b) A crack c) Incomplete fusion d) Porosity e) None of the above

F197 Centerline cracks can be caused by

a) The use of preheat b) A highly restrained weld joint c) Using the wrong polarity d) Stress relief heat treatment e) The presence of incomplete sidewall fusion

F198 A tensile strength of 198 Mpa is approximately equal to:

a) 4,136,000 pounds per square foot b) 28,700 pounds per square inch c) 4,136 pounds per square foot d) a and b above e) b and c above

F199 Which NDT method will best reveal subsurface porosity

a) RT b) PT c) MT d) UT e) None of the above.

F200 A PT indication of a subsurface discontinuity will appear how as compared to a surface discontinuity.

a) Intermittent

b) Sharper c) less distinct d) PT cannot detect a subsurface flaw e) None of the above.

F201 A tensile strength of 65,000 psi is approximately equal to:

a) 448,000 Pa b) 448,000,000 Pa c) 448 Mpa d) a and b above e) b and c above

F202 An MT indication of a subsurface discontinuity will appear how as compared to a surface discontinuity?

a) Intermittent b) Sharper c) Less distinct d) MT cannot detect a subsurface flaw e) None of the above.

F203 Which of the following conditions can cause slang inclusions in a weld?

a) Poor welder technique b) Careful interpass cleaning c) Insufficient preheat d) c and b above e) b and c above

F204 To be most effective, visual inspection must be conducted:

a) before welding b) during welding c) after welding d) all of the above e) none of the above

Questions F206 through F210 refer to Figure 17 F205 The dimension B in referred to as:

a) the leg. b) The size c) The effective throat d) The theoretical throat e) A and b above

F206 The dimension A refers to:

a) Convexity b) Concavity c) Face reinforcement d) a and c above e) b and c above.

F207 The dimension C is called:

a) The actual throat.

b) The effective throat c) The theoretical throat d) A and b above e) B and c above

F208 The dimension D is called:

a) The actual throat. b) The effective throat c) The theoretical throat d) A and b above e) B and c above

F209 F points to:

a) The joint penetration b) The weld penetration c) The weld root d) The joint root e) None of the above

F210 A discontinuity is:

a) Always reject able b) Sometimes rejectable c) Always a defect d) Sometimes a defect e) B and D above

F211 What weld discontinuity is show by the arrow in the radiograph in figure 18?

a) Crack b) Incomplete penetration (incomplete fusion at root) c) Burn through d) Hollow bead e) Tungsten inclusion

F212 An oxygen regulator is set for 40 psi. this is equal to how many pascals?

a) 2758 Pa b) 275.8 Pa c) 275, 800 Pa d) 2758 kPa e) none of the above

F213 Which of the following discontinuities can be caused by poor welding technique?

a) Incomplete fusion b) Porosity c) Undercut d) Overlap e) All of the above

F214 What impact strength corresponds to 80 joules?

a) 2.03 ft-lbf b) 6.2 ft-lbf c) 20.3 ft-lbf d) 62 ft-lbf

e) All of the above F215 Which of the following discontinuities is seldom discovered during VT?

a) Crack b) Incomplete penetration c) Porosity d) Tungsten inclusion e) None of the above

F216 Which discontinuity occurs in the head affected zone and can result from excess moisture in the weld zone?

a) Longitudinal crack b) Crater crack c) Underbead crack d) Porosity e) Transverse crack

F217 A megapascal is equal to:

a) 1 000 Pa b) 1 000 000 Pa c) 1 000 Kpa d) a and b above e) b and c above

F218 Which of the conditions below can porosity in a weld?

a) Welder technique b) Damp electrodes c) Oily base metal d) B and c above e) All of the above

F219 Which of the following discontinuities is not associated with GTAW?

a) Lack of fusion b) Slag inclusions c) Tungsten inclusions d) Porosity e) Undercut

F220 A travel speed of 21 ipm converts to:

a) 88.9 mm/s b) 8.89 mm/s c) 0.0889 m/s d) 0.889 m/s e) None of the above

F221 What is the ultimate tensile strength in Mpa of tensile specimen having a cross section of 0.3 square inch which broke at a load of 24 600 pound?

a) 565 Pa b) 565 Mpa c) 5.65 Pa d) 5.65 Mpa e) None of the above

F222 Which of the following discontinuities are not associated with GMAW?

a) Slang inclusions

b) Porosity c) Tungsten inclusions d) A and B above e) A and C above

F223 A heat input of 40 000 J/in is approximately equal to:

a) 157.5 J/m b) 1575 J/m c) 15.75 kJ/m d) 157.5 kJ/m e) None of the above

F224 NDT technicians are qualified in accordance with

a) AWS D1.1 b) API 1104 c) SNT-TC 1A d) ASME section V e) ASME section IX

F225 If a welder is continually turning out rejectable work, the welding inspector should:

a) Inspect his work more critically b) Ask that the welder be terminated c) Require requalification d) Instruct the welder in proper techniques e) Ask that the welder use another process

F226 The Welding are may produce toxic breathing conditions when the welding atmosphere contains vapor of:

a) Chloronated hydrocarbons b) Trichlorethylene c) Metal oxides d) Perchloroethylene e) All of the above

F227 The CAWI

a) Is responsible for determination of weldments conformance to acceptable standards

b) Inspects weldments only under the direction of a CWI c) Cannot inspect critical weldments d) Performs inspection the same as a CWI e) All of the above

F228 The surface between two pieces to be joint that lie parallel planes is called

a) Weld interface b) Faying surface c) Weld edge d) Groove face e) None of the above

F229 Hydrogen in the molten weld metal will cause:

a) Undercut b) Overlap

c) Incomplete penetration d) Porosity e) C and D above

F230 Which of the following statements defines the Curie temperature?

a) Heat treating temperature in aging or curing plastics b) Temperature that curestemper embrittlement c) Radioactive temperature discovered by madam curie d) Temperature above which a magnetic material becomes nonmagnetic e) None of the above

F231 Diffusion of metal in the solid state is:

a) Crumbling of edges due to oxidation b) Dissolving the metal in other chemicals c) Burning certain alloying elements out of metal d) The migration of atoms from their home position e) Convection caused by uneven heating

F232 Where should the preheat temperature be measured?

a) In the weld groove b) 6 inches from the edge of the weld groove c) where the are will be initiated d) 3 inches from the edge of the weld groove e) None of the above

FUNDAMENTALS (ANSWER SHEET)

F1 e F35 b F69 a F103 c F137 b F171 c F205 e

F2 a F36 a F70 a F104 a F138 a F172 d F206 a

F3 c F37 d F71 b F105 c F139 c F173 c F207 c

F4 a F38 c F72 c F106 c F140 b F174 e F208 b

F5 b F39 b F73 e F107 b F141 b F175 e F209 c

F6 b F40 c F74 e F108 c F142 a F176 c F210 e

F7 c F41 e F75 b F109 b F143 b F177 c F211 e

F8 e F42 b F76 c F110 e F144 b F178 d F212 c

F9 c F43 c F77 b F111 d F145 c F179 a F213 e

F10 c F44 c F78 e F112 b F146 b F180 e F214 d

F11 a F45 e F79 d F113 a F147 c F181 b F215 d

F12 a F46 a F80 e F114 c F148 b F182 c F216 c

F13 a F47 e F81 c F115 a F149 d F183 d F217 e

F14 b F48 d F82 c F116 c F150 d F184 a F218 e

F15 e F49 b F83 c F117 c F151 d F185 a F219 b

F16 e F50 b F84 a F118 a F152 e F186 d F220 b

F17 e F51 a F85 d F119 d F153 a F187 a F221 b

F18 d F52 b F86 e F120 a F154 d F188 b F222 e

F19 e F53 d F87 c F121 d F155 c F189 e F223 e

F20 a F54 c F88 c F122 e F156 c F190 b F224 c

F21 d F55 c F89 b F123 c F157 d F191 d F225 c

F22 d F56 e F90 e F124 d F158 b F192 a F226 e

F23 b F57 e F91 a F125 b F159 c F193 e F227 b

F24 d F58 e F92 b F126 c F160 d F194 e F228 b

F25 b F59 e F93 d F127 e F161 b F195 b F229 d

F26 c F60 c F94 b F128 a F162 c F196 d F230 d

F27 c F61 a F95 d F129 c F163 d F197 b F231 b

F28 d F62 e F96 b F130 d F164 e F198 d F232 d

F29 c F63 e F97 c F131 e F165 b F199 a

F30 e F64 c F98 c F132 a F166 c F200 d

F31 e F65 a F99 b F133 b F167 c F201 e

F32 e F66 b F100 a F134 c F168 e F202 c

F33 e F67 a F101 b F135 b F169 a F203 a

F34 b F68 b F102 b F136 e F170 b F204 d