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Welding Inspection TechnologyFundamentals Examination

After a rejected weld has been repaired, reinspected and found to be acceptable, the weldinginspector should:a. cHange the original inspection report to indicate the part's acceptanceb. mark directly on the partc. fill out a second inspection report .d. tell the foreman to have the part moved to its next operatione. no further action is required

Fa When a metal is alloyed, how are the atorris of the alloy incorporated into the original metallattice structure?a. by inclusion or exclusionb. substitutionally or interstitiallyc. by diffusiond. by becoming martensitice. by casting

A wire IQI is used in which I\DE method?ai' CTb. ETc. RTd. f\fTe. PT

F10 In general, which of the following is not commonly used as a semiautomatic process?a. GMAWb. FCAWc. S=vtAWd. SAWe. MIG

F11 The perfonnance of which of the following test methods is least affected by high parttemperatures?a. ETb. RTc. PTd. L'Te. VT

F12 Crater cracks are most often the result of:a. improper techniqueb. improper filler metalc. improper base metald. trapped slage. u-apped hydrogen


F19 Which of the following may not be detected with YT?a. large surface crackb. I,mdercutc. oVerlapd. underfille. Lamellar tear

Heat treatment conditions can be determined using which of the following?a. MTb. i;PTc. ET

t: d. RTe. LT

F21 Of the following tests. which can be used for the actual detennination of a material's toughness?a. Charpy testb. MTc. chemical analysisd. tensile teste. bend test

F221

Which of the following elements are commonly used as alloying elements with tungsten toproduce GTA \V electrodes?a. cesiumb. thoriumc. columbiumd. vanadiume. chromium

F23 For single be\'el-groove weld symbols, the line of the AWS welQ symbol running perpendicularto the reference line is always drawn on which side of the weld symbol?a. on the rightb. on the leftc. on either side, depending on company policyd. on the side in which the straight side actually appears in the jointe. does not matter

F24 The portion of t.he groove face within the joint roOI is ca,1)ed:a. weld interfaceb. faying surfacec. groove weld edged. root facee. groo':e a'1gle


F31 Arc blow can not be caused by:a. magnetic ficld distortionb. improper worklead (ground) locationc. weldihg at the end of a jointd. welding in cornersc. welding on AC

F32 \Vhich of the foVowing shielding gases is used for GMA W spray transfer on steel?a. c,\rbon dioxide-IOO'k

- \b. argon-IOOCkc. helium-mOCkd. oxygen-2?c. argon-9SCke. argon 75o/~;-carbon dioxide-25Ck

Devcloping is one of the steps in which NDE method?a. J.-lT and ET •b. RT and PTc. PT· and MTd. MT and ETe. VT and PT

Which discontinuity below will provide the sharpest MT indication?a. sUiface porosityb. surface crackc. subsurface poros,itydo subsurface cracke. indications will be identical for all of the above

In SMA W, an increase in arc length results in:a. increased current; increased voltageb. decreased current: increased voltagec. increased heat input; decreased voltaged. decreased current: decreased voltagee. decreased current; increased heat input

\Veld inspection reports should always:a. be completed in illk, or typewritten and signedb. be done in pencil so mistakes can be easily correctedc be filled out only if the weld is rejectedd. retyped by a clerk so !hat everything is readablee. il1c1ude the weld~r's ideli,ification


F43 In GMA W, the welding variable controlled by the wire feed speed is:a. arc lengthb. voltagec. currentd. stickoute. tra ve I speed

The welding \'ariables used to calculate heat input are:a. voltage and CUTTentb. current and travel ~peedc. voltage. current and travel speedd. travel speed, preheat temperature and voltagee. voltage. CUITentand preheat temperature

F45 As the temperature of the base metal is increased:a. impact strength decreasesb. tensile strength decreasesc. ductility decreasesd. hardness increasese. tensile strength increas~s

F46 During RT. which of the following provides the best r,rotection from radiation for a giventhickness?a. lead shieldingb. steel shieldingc. concrete shieldingd. copper shieldinge. wood shielding

F47 A weld inspection plan should be developed:a. before welding beginsb. during weldingL. after welding is completedd. before shipping the worke. only when there is a problem

F48 if the weid syn1oo1 straddles the reference line, it means:a. weld both sidesb. weld arrow siJe firstc. weld OllieI' side firstd. weld has no side significancee. the symbol was drawn incorrectly


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

a. torch brazingb. arc brazingc. braze weldingd. dip brazinge. no,,", brazing

tWhich of the following contains ferrous base metal specificalions?a. AWS D1.2 •b. ASME Section II, Part Cc. AWSA5.1d. ASME Section Ve. ASME Section II, Part A

Which of the following is considered to be the most portable method of magnetization whenconducting a magnetic panicle test?a. AC coilb. AC yoke~c. DC coild. DC prode. Head Shot

Advantages of ~ff include:a. the detection of surface flawsb. both AC and DC methodsc. the detection of surface flaws tightly closed by carbon, slag or contaminantsd. the fact that it is faster than PIe. all of the above

F59 In general, an increase in the carbon equivalent of a carbon steel will result in an increase in its:a. ductiiityb. hardnessc. defectsd. toughnesse. all of the above

F60 A welding process commonly lIsed to join light gage stainiess steel tubing for critical applica-tions is:a. SMAWb. GMAWc. GTAWd. OFWe. FCAW

10 .


F67 Which of the following is not easily detected using RT that is perpendicular to the weld centerline? 'a. throat crackb. porosityc. side wall incomplete fusion at::l bevel angle of3Sod. a crack with its depth parallel to radiation beame. incomplete joint penetration

DW~)1 time is a term associated with which NDE method?a .. MT (,

b. PTc RTtL I ET\ ,e. UT

The material property expressed in tenns of an endurance limit is:a. fatigue strength

. b. . .tfl4ghness.• \".-- :'f ,.,,'l ,., , ••••••. ,

,. c~.. ,;J~ns~~e15trength\-',

d. .. ductilitye. hardness

F70 Fracture toughness results will often be expressed in terms of:a. breaking energyb. "I' ~yp~il~1s[fength\l . ic. percent elongation , •d. endurance limit •.e. reduction of area

F71 'Shielding of the molten pool in OFW is accomplished by:a. a granular fluxb. a chemical reactionc. an inert ~asd. a vacuum chambere. a flux paste

F72 The welding in5pector is usually nOl responsible for which of the following?a. checking for proper electrode stor:::geb. verification of a welder's Gualificationc. witnessing all repairs,d. reinspecting repairs.e. checki:lg fit up


F79 Which of the following is cOllsidered to be part of the welding inspector's responsibility to thepublic?a. undertaking only those assignments for which the inspector is qualifiedb. making public statements as to the quality of a weldmentc. signing for all inspections on the jobd. reporting all discontinuitiese. verify confomlance based on past experience

F8D Whit:h of the fpllowing processes is performed primarily in the flat and horizontal positions?a. SAWb.. OAWc. GTAW;d. ,GMAWJSe. SW

F81 A groove weld symbol with no infonnation appearing to the right means:• a. the weld is to be complete joint penetration

b. no weld is required on that sidec. the weld is to be continuou~ for the entire joint lengthd. no weld joint prepar3:tion is requirede. weld length can be determined by the welder

F82 The welding process that requires a tubular electrode is:a. SMAWb. GMAWc. FCAWd. SAWe. ESW

F83 The property relating to a metal's resistance to indentation is:a. tensile strengthb. ductilityc. hardnessd. toughnesse. fatigue strength

F84 LT is the abbreviation for:a. leak testingb. liquid penetrant testingc. liquid test inspectiond. lithium testinge. lender test method

Weloing Inspection TechnologyFundamentals Examination

a. martensiteb. ferritec. bainited. austenitee. pearlite

F92 In radiography. the image on the film of a completely through-cracked weld will:a. appear as a well-defined, low density, lightly shaded, sharp lineb." appear as a well-defined. high density, darkly shaded, sharp linec. I appear as a row of low density light spots or dotsd. appear as a row of high density dark spots or dots. .e. arpear as a white line

F93 A materiai's ductility is commonly expressed in tenns of:a. percent elongation and reduction of areab. width and thicknessc. tensile strength and yield strengtl;~. toughnesse. fatigue

F94 Who is responsible for verifying welding procedures ha've been properly qualified?a. independent test labb. contractor

~. c. welding inspectord. architecte. engineer

F95 What MT technique could be used for the discovery of longitudinal flaws?a. coil shotb. circular magnetization·c. longitudinal magnetizationd. parallel magnetisme. using a central conductor

F96 'Which code gives prequalified status to certain weld joint configurations?;::. API! 104b. AWS DI.Ic. A\VSDI7.!d. ANSI B31.1e. AWS H2.1


F103 In which direction does a rolled plate of carbon steel usually exhibit its least amount of ductility?a. parallel to the rolling direction .b. transverse to the rolling directionc. in the through thickness directiond. in the direction of weldinge. rolling direction has no significance regarding ductility

. F104 When a weld has been rejected by a qualified NDE technician, the welding inspector should:a. review ~he test results and maintain the test recordb. reinspect to verify t.he defectc. accept the weld if its visual appearance is in compliance with the applicable code or

specificationd. require another inspection by a third partye. accept the weld since it is in a low stress region

F105 If equal thicknesses of steel, cast iron, aluminum, lead, and copper are radiographed u.sing thesame exposure conditions, which material will result in' the darkest radiograph?a. leadb. steelc. aluminumd. coppere. cast iron

F106 The welding process that uses a nonconsumable electrode is:a. GMA\\'b. SA\\'c. GTA\\"d. FCA\\"e. SMA\\'

F107 The heat treatment in which the metal's temperature is raised to the austenitizing range, held fora prescribed time and then allowed to cool to room temperature in still air is referred to as:a. austcnitizingb. norm31izingc. annealingd. quenchinge. tempering

F108 In a guided lX'nd test, the bend radius is:a. ,ilwa\<; ::-in.t'. as specified ill the appropriate code or specificationc. 0.5 in.d. 0.65 in.c. as stated 011 Ihe !\'lTR


F115 The position on a metal's stress-strain curve referring to its change in behavior from ~Iastic toplastic is the:a. yield pointb. modulus of elasticityc. endurance limitd. transfonnation t~mperaturee. Young's Moduh,ls

F116 Low-hydrogen electrodes can be properly identified by which digit of a classification number?a. first digitb. second digitc. first and second togetherd. second to last digite. last digit

F117 All welding symbol infom1ation referring to the arrow side of the joint is found:a. in the tail'b. above the reference linec. below the reference lined. in a notee. to the left of the weld symbol

F118 The marking of a rejectable weld should:a. be clear and understandable to all involvedb. be made with a steel impression stampc. note the proper repair procedure

• d. always be in rede. always include the welder's identification

. F119 MT can be used effectively to inspect which of the following metals?a. welds on A36 steelb. steel welds on stainless steel platec. welds on aluminumd. Welds on all alloy materialse. materials properly qualified for use with E308 ekctrodes

F120 Of the welding processes listed below. tile oi,e most comlllonly having tlte highest depo5-itionrate is:a. OAWb. FCAWc. S..; W .d. 5\1/\ \V

e. G\1AW


F127 Welding symbol information provided in Figure) requires:a. field weldingb. weld-all-aroundc. a fillet weldd. the use of shielded metal arc weldinge. all of the above

F128 A SMA W weld was produced in which the welder failed to properly clean between passes in amUltipass wel.? Which nondestructive test would best reveal the flaws that may be present in thecomplet~d werld? .a. RTb. VTc. MTd. PTe. ET

F129 SMA W is typically used in which type of application?a. semiautomaticb. machinec. manuald. automatice. mechanicaJ

F130 . What position is depicted in Figure 2?a. 6Gb. 5Gc. 6Fd. 6GRe. 5GR

F131 Using the appropriate conversion factor pro\' ided in the chart on page 41, determine theapproximate diameter in inches for ,\0 electrode that measures 1.2 111m.a. 0.047 in.b. 4.7 in.c. 0.0047 in.d. 0.47 in.c. 47.2 in.

F132 Underbcad cracking is primarily cau<;cd by:a. a source Gf hydrogenb. restraintc. excessive prehc.1td. fatiguec. excessivc loading


F,139 The welding symbol shown in Figure 4 depicts:a. a backing weld other-side followed by a V-groove weld arrow-

sideb. a V-groove weld arrow-side followed by a back weld other-sidec. a V -groove weld arrow-side with melt-throughd. a bevel groove weld made one-half the way around the diameter

of a pipe,t;. \ . a V-groove weld arrow-side with the root finished to a convex

cq~tour

I7/16

it

7/16, T/,

/ ,/ ,

, /, /, /

.1/4 (7/16\

1/4 (7/16)

7116(1/4)

7/16 (1/4) ~.

F141 The width of the Cllt produced dUJing a cutting process is referred to as:a. root openingb. kerfc. beveld. bevel anglee. chamfer

F142 For the 2G position il~pipe welding:~. ; the ax.is of the pipe is vertical ancl the plane of the weld is horizontalb. the aAi~ of the rire is horizontal and the planp. of the weld is verticalc. the ripe is not fixedd. the axis of the pipe and the plane of the weld 1.re at 45° angles with the vertical planee. the axis of the pipe is ilOriLont:tl and the pipe is rotated


F149, If a contour symbol is used but the finishing method is not specified on the welding symbol:a. it is the inspector's choiceb. it is the fabricator's choicec. the desired contour must be as-weldedd. it should be found in the code specifiede. it is the welder's choice

In order to leam the exact locatIon of a subsurface fiaw in three directions, the best NDE methodwould be:

,a. RTb. MT'c. PTd. UTe. VT,

The surface of a member included in the groove of a weldment best describes:a. roQtopeningb. groove anglec. weld interfaced. groove facee. none of the above

Crater cracks can be the result of:a. poqr welding techniqueb. abrupt termination of welding

., c. shrinkage of the molten poold. underfill of the cratere. all of the above

F153 Figure 7 depicts which weldingNOZZLE

process?a. SAW FLUX INSLAGb. SMAW FROM HOPPER

c . PAW GRANULAR•~

/ Fl.UX BLANKETd. GMAWe. FCAW


F161~

The dimension "e" in Figure 9 identifies:a. joint penetration and weld sizeb. weld size and root penetrationc. depth of fusiond. complete joint penetratione. incomplete joint penetration

If the groove weld in Figure 9 has been properly welded, the dimension "D" is referred to as:• a. • underfill because the weld is left unfilled .. b. lack of penetration because weld size is inadequatec. partial joint penetration because weld size is indicatedd. complete joint penetration because the joint i~ fillede. incomplete joint penetration because the joint should have been filled

Which oflhe following is not a type of weld joint?a. lap·b. T-c, . filletd: butte. edge

When using SMA W, wet electrodes will most likely cause:a. . undercutb. overlapc. underfill i

d. porosity•. e. all of the above

Which of the following is considered to be an acceptable way to provide backing for a V-grooveweld in a carbon steel butt joint?a. copper backing barb. ceramic backingc. flux backingd. . backing welde. :111of the above

A welder deposits an average of 12 pounds of weld metal per hour. Using the appropriate con-version factor provided in the charl on page 41, determine the approximate kilogn:ms of weldmetal that will be deposited in 6 hours of continuous welding.a. 5 kgb. 33 kgc. 6 kgd. 26 kge. 3~ kg


Arc strikes are discontinuities most commonly associated with:a. ESWb. SAWc. SMAWd. OAWe. GMAW

Double-groove welds in uutt joints always require:a. backgougingb. special welding processesc. high deposition rate processesd. weld to be deposited from both sides of the jointe. a spacer to hold critical root openings

What weldingFigi.lre IO?a. FCAWb. GMAWc. SMAWd. SAWe. ESW

SHIELDING ATMOSPHERE \ ~/,!iWELD POOLA~~~/IIJ 'METAL AND SLAG

SOLIDIFIED SLAG~ "'~ :'~':::~ DROPLETS

WELD~. ~!<!~~~_ PENETRATIONMETAL ~ DEPTH

--~~~~~---~ BASEMETAL-' DIRECTION OF WELDING-

Light-colored areas within the weldzone in a radiograph could represent:a. porosity and trapped slagb. tungsten inclusions and melt-

throughmelt-through and trapped slagporosity and tungsten inclusionsunderfill and excessive reinforcement

A single V-groove weld always requires:a. special welding processesb. bad,gougingc. a backing bard. no root openinge. CPJ unless otherwise specified

The substance used in In to aid in the transmission of sound from the search unit to the work-piece and back is called:a. solventb. attenuationc. couplantd. cabiee. transducer


The welding process depicted in Figure12 is:a. GMAWb. SAWc. SMAWd. GTAWe. PAW

..DI,RECTION OF WELDING

BACK CAP~ •••~I ~ELECTRODELEAD

T~~g~~ _~~ ., COLLET BODY =~'--SHIELDING

GAS NOZZLE ~_ GAS IN

1# ~ NONCONSUMABLE, ~ Y,' TUNGSTEN ELECTRODE

" -- GAS SHIELDFILLER METAL---'" •

~~",~~_\&l~B, ~••~I1~(.(.".t7MOLTW ~A;C SOLIDIFIEDWELD METAL WELD METAL

F184 The radiograph in Figure 13 shows:a. slag incliJsions due to improper fitup.,b. tungsten inclusions due to poor tungsten

grindingc. porosity due to inadequate shieldingd. longitudinal crack due to stresse. lack of penetration due to poor starts and

stops

F185' \Vhich of the following is an example of an electrode classification number for GTA W?a. EWTH-2b. AS.Ic. AS.9d. E7018e. ER70S-2

F186 In a gro~ve-weld cross section, the 'line' separating weld metal from base metal is called:a. the fusion faceb. the depth of fusionc. the depth of penetrationd. the weld interfacee. none of the above


F192 The "A" dimension in Figure 16 is referred toas:

actual weld throatweld sizeweld legtheoretical wcld throateffective wcld throat~.

F193 "F" in Figure 16 points to:a. the root penetrationb. tge weld penetrationc. the weld rootd. the joint roote. none of the above

F194 The dimension "e" in Fi!:!ure 16 shows:i - •

a. the theoretical throatb. the actual throatc. the ~ffectivc throat'd. weld lege. convexity

F195 The dimension "D" in Figure 16 is called:a. the theoretical throat and the effective throatb. the effective throat and the actual throatc. the actual throat and the theNetical throatd. weld sizee. convexity

F196 The dimension "E" in Figure 16 refers to:a. the actual throatb. the effective throatc. convexityd. leg and weld sizee. concavity

F197 One common cause of centerline weld cracks is:a. the U$e of preheatb. a highly restrained weld jointc. using the wrong polarityd. stress relief heat treatmente. the presence of incomplete sidewall fusion


F204 What is meant by the term essential variable?a. Data on a WPS that if changed during prod!Jction will render a WPS disqualified.b. Data on an inspection report that if changed render the report disqualified.c. Data on an MTR that is essential to the chemistry of the material.d. the recommended amperage and voltage for welding as published by the manufacturt:r.e. describes what should be included in a WPS .

. ~ F205 · The dimellsion "B" in Figure 17 is:a. the weld throat

, b. the weld size• I

, c. p'oint of tangencyd. groove weld sizee. fillet weld profile

'\=206 The dimension "A" in Figure 17 is the:a. convexityb. concavityc. face reinforcementd. weld sizec. overlap

F207 The dimension "E" in Figure I7 is:a. the actual thmatb. the effective throatc. the theoretical throatd. weld sizee. convexity

F208 The dimension "D" in Figure 17 is:a. the actual throatb. the effective throatc. the theoretical tr.roatd. weld sizee. weld leg

F209 Where should the preheat temperature be measured?a. in the weld grooveb. 12 in. from the weld groovec. where the arc will be ini;iatedd. 2-3 in. from the weld groovee. preheat temperature need not be measurep


F216 WhiG:h discontinuity occurs in the heat-affected zone and can result from excess moisture in the.weld zone?a. throat crackb. crater crackc. underbead crackd. porosity

~ e. centerline crack

F217 Which of the following measurements are taken from a tensile specimen to determine area?a. mass and volumeb. length and thicknessc: width and lengthd. width and thicknesse. ~.oad and pressure

F218 When establishing a PQR?3. the type and number of tests required is determined by the applicable standardb. a face and root bend will qualify all platesc. testing requirements are determined by the contractor and approved by the inspectord. destructive testing is required only if a problem is suspectede. a weld test plate does not have to be mechanically tested to establish a PQR

F219 Which of the following discqntinuities is not associated with GTA W?a. lack of fusionb. slag inclusionsc. tungsten inclusionsd. porositye. undercut

F226· Using the appropriate conversion factor from the chart. on page 41, convert a travel speed of21 ipm to mm/s.a. 88.9b. 8.9c. 0.88d. 0.088e. 49.61

F221 Using the appropriate conversion factor from the chart on page 41, calculate the ultimate tensilestrength in MPa of a tensile specimen having a cros~-sectional area of 0.300 sq. in. and broke ata tensile load of 24.600 Ibs.

Load (Ibs.)Area of specime!1 (sq. in.)

a. 565 Pab. 565 i\1Pac. 5.65 Pad. 565 kPac. 5.650 kPa


Area of Square or Rectangle

Area = length x width

Area or Circle~

diameter2Area = 7! X ----

4

Percent Elohgation .

Final Galle LenQ.th - OriQ.inal GaQ.e Length'k Elongation = .•... .. .• •• x 100Original Gage Length

Original Area - Final Area% Reduction of Area = •• x 100

Original Area .

UTS = P maxArea

where: P maxArea

= load to break specimen= specimen's original cross-sectional area

P maxUTS for full section pipe = -------0.7854 (OD2 _102)

YS = Load at specified offsetOriginal cross-sectional area

v x A x 60J/in. = -------

Travel Speed (ipm)where: J = Joules (energy)

V = welding voltageA = welding amperagelpm = inches per minute

CEo __ 0/( %Mn %Ni %Cu %Mo/0 +--+--+--+--

6 15 13 14


ANSWER KEY

FJ c F47 a F93 a FI39 c FI85 aF2 a F48 d F94 c FI40 b Fl86 dF3 c F49 d F95 b FI41 b FJ87 aF4 a F50 c F96 b FI42 a FI88 dF5 b F51 a F97 . c F!43 b FI89 eF6 a F52 b F98 c FI44 b FI90 bF7 c F53 d F99 b FI45 c FI91 dF8 b F54 c FIOO a FI46 b FI92 bF9 c F55 c FJOI d FJ17 c FI93 dr.10 c F56 e FJ02 b FI48 b FI94 aFII a F57 b FI03 c FI49 c FI95 bFi2 a F58 e FI04 a FI50 d FI96 eFI3 e \ F59 b FJOS c FI51 d FI97 bFI4 b F60 c FI06 c FJ52 e FI98 bFI5 b F61 b FI07 b FI53 a FI99 aFJ6 e F62 d FI08 b FI54 d F200 dFJ7 c F63 e FI09 b FJ55 c F201 cFI8 d F64 c FllO c FJ56 b F202 dFJ9 e F65 a FiJI d FI57 b F203 aF20 c F66 b Fl12 b Fl58 b F204 aF21 a F67 c FII3 a FI59 c F205 bF22 "b F68 b Fl14 c FI60 a F206 aF23 b F69 a Fl15 a Fl61 c F207 aF24 d F70 a FI16 e Fl62 c F208 bF25 e F71 b Fl17 c Fl63 d F209 dF26 c F72 c FI18 a Fl64 c F210 eF27 c F73 c Fl19 a FIG5 b F211 eF28 d F74 e Fl20 c FI66 c F212 eF29 c F75 b Fl21 c FI57 c F213 eF30 c F76 c FI22 e 1:J58 c F214 cF31 c F77 b F123 c Fl59 a F215 dF32 d F78 a FI24 d FI70 b F216 cF33 b F79 a FI25 b FI71 c F217 dF34 b F80 a FI26 b FI72 d F218 aF35 b F81 c Fl27 e FI73 c F219 bF36 a F82 c FI28 a Fl74 b F220 bF37 cI F83 c Fl29 c FI75 c F221 bF38 c F84 a F130 d FI76 c F222 cF39 b F85 a ' F131 a FIn c F223 bF40 c F86 e F132 a FI78 d F224 cF41 c F87 c F133 a F179 a

t F42 b FS8 e F134 b FI80 ef43 c F89 b F135 c FI81 bF44 c F90 c FD6 b FI82 cF45 h F91 a FL~.7 b FI83 cIF46 a F92 b F138 a F184 c

42

TECHNO,,I!:;,{OG'L:. (;.f:~ I.:;.::I t ... · PDF fileWelding Inspection Technology...

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