Which of the following is NOT important or essential to good record keeping? (A) clearly and concisely stated facts (B) agood company policy manual (C) well organized reports presenting a total picture () logical se!uence to reporting (") all supporting forms# reports and data included or referenced
$ncomplete %oint penetration can &e caused &y which of the following? (') insufficient root opening (B) ecessie trael speed (C) ecessie electrode diameter (D) all of the a&oe (") only ' and C a&oe *icroscopic eamination will reeal the microstructure of which of the following? (') &ase metal (B) heat+affected zone (C) fusion zone (D) all of the a&oe (") only B and C a&oe $n ,*'W the correct arc length is essential to good welding performanceper formanceWhich factors affect arc length?
(') electrode classification (B) electrode diameter (C) welding position (D) all of the a&oe (") only ' and B a&oe +++++++++++++++++++++++++++++++++++++++++++++++++++++++ $n a welding procedure !ualification test# a reduced section tensile test specimen measured ./0 inch .+./1 inches &efore testing and failed at a load of 10#234 $&s- What was the tensile strength in pounds per s!uare inch of the sepecimen? (') 32#.14
(B) 54#666 (C) 45#666 () 5# 4666 (") 7#.06
The upper limits of preheat and interpass temperatures for !uenched and tempered steel are specified for what reason(s)? (') keep deposit rate to a minimum (B) maintain the strength in the &ase metal heat+ affected zone (C) keep the weld metal from &ecoming too strong () aoid cracking in the weldment (") only B and a&oe
- Which welding sym&ol in figure . represents r epresents the weld %oint shown &low?
(') .
(B) 1
(C) 2
() 0
(E) 4
Which of the following processes can &e used to %oin !uenched and tempered steels? (') ,*'W (B) ,'W (C) 8*'W (D) all of the a&oe (") only B and C a&oe
What shade filter plate (or eye protection) is needed when o&sering su&merged arc welding at .666 'mps? (') No- .0 filter (B) No- .1 filter (C) No- .6 filter () No- 0 filter (E) Clear safety googols or safety glasses-
- 9igure 1 a&oe illustrates a (n) +++++++++-
(') &end specimen (B) tensile specimen(C) impact specimen () macro specimen(") drop weight specimen+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ - Which of the following is/are recommended to preent cracking in the welding low+alloy steel? (') controlling hydrogen content during welding (B) using minimum re!uired preheat and interpass temperature (C) using grades with low car&on and alloy content (D) all of the a&oe (") only B and C a&oe
9igure 2 a&oe shows ++++++++++(') ,*'W (B) 9C'W
(C) ",W () 8T'W (") ,W
- Back step se!uence welding is often used ++++++++++(') for ease of operation (B) for tacking the welded material (C) to speed up welding (D) to reduce distortion (") to preent crater cracks - When welds are going to &e hidden or inaccessi&le for inspection in a finished weldment or structure# they should &e inspected +++++++++(') &y &arescopic methods to proide access to the hidden welds (B) after postweld treatment of the completed weldment or structure (C) &efore the start of the welding (D) during the progress of the assem&ly as welds are completed (") after completion of the work - $n &raze welding# flu may &e applied &y which of the following methods? (') :sing a filler rod pre+coated with flu (B) $ntroducing flu through the oy fuel gas flame (C) Brushing the flu on the %oint prior to &razing () 'ny of the a&oe (") Only ' or B a&oe Which of the following may an inspector use to perform isual inspection? (') *agnifying 8lass (B) *icrometer (C) 9illet Weld 8age (D) 'll of The '&oe (") Only B and C '&oe - ;lasma 'rc cutting (;'C) is &etter suited than oyfuel gas cutting (O9C) for cutting which of the following materials? (') 9errous ,heet *etal (B) Non 9errous *etals ( $-"-# 'luminum #Copper #Brass #"tc)
(C) 'ny *etals With ' Thickness Oer 4 $nches () ,tainless ,teel and ;late (E) '# B and '&oe - ' welding procedure specification (W;,) has &een !ualified for production welding with the 8*'W (short circuiting transfer) process- Which condition(s) &elow is/are correct for a welder !ualified only for 9C'W regarding production welding using the 8*'W W;,? (') the welder has &een checked out on the 8*'W e!uipment# allowing him/her to weld 8*'W for production (B) the welder s superisor assigned him to the %o&# which !ualifies him/her &ecause the superisor knows the welder s a&ility (C) the welder has welded with 8*'W process in the past# !ualifying him/her for production welding with 8*'W (D) the welder is !ualified to weld 9C'W only and is not !ualified to weld the production parts
(") if the welder is !ualified with 9C'W# he/she is !ualified for 8*'W short circuiting transfer &ecause 9C'W is more difficult to process - 8as metal arc welding (8*'W) is suita&le for what metals? (') car&on steel (B) stainless steel (C) aluminum (D) all of the a&oe (") only ' and B a&oe - ' welding performance !ualification test is designed to do what? (') determine a welder s relia&ility (B) determine the mechanical properties of a weldment (C) proide statistical input for the purpose of estimating the ratio of accepted/re%ected welds (D) determine the welder s a&ility to produce sound welds (") only ' and C a&oe
- What are the principal adantages of ultrasonic testing compared to other NT methods for weldments? (') good penetrating characteristics for detection of discontinuities in thick sections (B) relatiely high sensitiity to small discontinuities (C) a&ility to determine position of internal discontinuities and to estimate their size and shape (D) all of the a&oe (") only ' and C a&oe - Which &est descri&es the hardness of a metal? (') $t is the a&ility to withstand a sudden &low(B) $t is the a&ility to withstand indentation(C) $t cannot &e estimated &y a &end test() $t has no useful purpose to the inspector (") $t can &e measured &y to izod test-
(') surface condition of the &ase metal (B) %oint fit+up (C) welding current (D) all of the above (") only ' and B a&oe -
(E) none of the a&oe
- The most etensiely used weld inspection method is +++++++++(') :T (B) >T (C) *T (D) T (") ;T - ' specification uses the term = caulk weld= according to 'W, '2-6# standard welding terms and definitions# it is a non standard term that is referring to a++++++(') putty weld (B) seal weld (C) slugged weld () (")
- Which welding sym&ol in figure 0 represents the weld %oint shown &elow? (') . (B) 1 (C) 2 () 0 (") 4 ;erforming ,*'W with too a high trael speed can result in which of the following? (') decreased penetration (B) under cutting at the edges of the weld (C) difficulty in slag remoal (D) all of the a&oe (") only ' and C a&oe
-
ockwell (B) knoop (C) ickers () &rinell (E) all of the a&oe - The weld face refers to the +++++++++(') surface of a cross section of the weld (B) appearance of the heat+affected zone (C) original grooe face (D) eposed surface of the weld on the side from which welding was done (") eposed surface of the weld on the side opposite from which welding was done uring "lectroslag welding# how may cracks may &e aoided? (') *aintaining proper electrode feed rate (B) *aintaining proper current (C) *aintaining proper spacing &etween electrodes or guide tu&es (D) all of the a&oe (") only ' and C a&oe ' CW$ s records may &e used for which of the following? (') to help recall and erify past decisions (B) used to erify the payment of work inoices (C) to erify man+hour records for the shop () as packing slips for shipping (E) all of the a&oe Which lens shade num&er is recommended when oyacetylene welding .5 gauge steel? (') shade @ 0 or 4 (B) the same lens shade as recommended for su&merged arc welding (C) shade @ 5 or A () shade @ .6 or .1 (") shade @ 1
- ' stress relief heat treatment approimately ..46 9 (516 C) on car&on steel is intended to accomplish which of the following? (') change the microstructure of the weld (B) increase the tensile strength of the weld (C) reduce the residual stress acro ss the weld () increase the impact strength of the weld (") proide a method of oen heating for the remoal of gas pokets trapped in the weld
- The sym&ol in figure 4 indicates a +++++++++++++(') dou&le+flare D D grooe weld# ultrasonic test either side in field (B) dou&le flare+ &eel D grooe weld # :T &oth sides in field (C) dou&le+&eel+grooe weld# :T either sides in field () dou&le D D grooe weld# :T either side in field (") none of the a&oe .4 pounds mass e!uals how many kilograms? (') 4-A. (B) 5 (C) 5-4 () 5-A. (") 3-. 1-4 Eips e!uals how many newtons? (') ..#646 (B) ..#.66 (C) ..#.14 () ..#.46 (") ..#.34 46 pounds force is how many newtons? (') .11-2 N (B) 111-4 N (C) 211-0 N () 200-4 N
(") 6-11 N 566 9 is rounded to what temperature in Celsius? (') ...1 C (B) .611 C (C) 206 C () 222 C (E) 2.5 C - 412-54 *pa e!uals how many pounds per s!uare inch? (') 34#666 (B) 34#146 (C) 34#466 () 34#346 (E) 35#666 - 2-2A0 millimeters per second e!uals how many inch per minute? (') 3 (B) 3-4 (C) A () A-4 (") 7 - ' 04 angle is a&out +++++++++++++(') 3A-4 rad (B) 3-A34 rad (C) .-304 rad (D) 6-3A34 rad (") 6-63A34 rad 9or !uestion 00 through 0A# figure 5 appliesF
- 9or the fillet weld in figure 5 dimension @.designates the +++++++-
(') theoretical throat (B) effectie throat (C) actual throat () Coneity (") size of weld - 9or the fillet weld in figure 5# dimension @ 1 designates the ++++++++(') Coneity (B) size of weld (C) theoretical throat () actual throat (E) effectie throat 9or the fillet weld in figure 5# dimension @ 2 designates the ++++++++(') effectie throat (B) Coneity (C) penetration () theoretical throat (E) actual throat - 9or the fillet weld in figure 5# dimension @ 0 designates the ++++++++(') penetration (B) oerlap (C ) undercut (D) coneity (") Concaity 9or the fillet weld in figure 5# dimension @ 4 designates the ++++++++(A) size of weld (B) oerlap (C) undercut () coneity (") Concaity
- ,ensitization of stainless steel primarily refers to its loss of which property? (') strength (B) toughness (C) ductility (D) corrosion resistance
(") impact resistance
- 9igure 3 a&oe shows +++++++++++(') air car&on arc cutting (C'C+') (B) oyfuel gas cutting (O9C) (C ) gas tungsten arc cutting (8T'C) () mechanical cutting (") plasma arc cutting (;'C) - which of the following are true regarding electrical hazards? (') present in electric arc welders (B) ;resent in secondary leads (C)minimized &y proper e!uipment installation () more seere in the presence of water or moisture (E all
- Which of the following tests uses the specimen illustrated in figure A? (') all+weld metal tensile test (B) macroetch test (C) impact test () &end test (") non of the a&oe
- ' standard all+weld+metal tensile specimen is shown in figure 7 the ultimats tensile strength (:T,) of this specimen may &e determined as followsF
:T, (psi) G
0 ultimate load (i&s) HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH 2-.0.5 dia- Of specimen s!uared (inches s!uared)
'ssuming that the specimen fails at an ultimate load of .1#666 pounds# what is the approimate ultimate tensile strength in *;a? (') 01.66 *pa (B) 01.6 *pa (C) 01. *pa () 01-. *pa (") 0-1. *pa - Which of the following are true regarding good inspection records? (') they record as much detail as necessary(B) they include eplanation of repairers(C) they state that the work stayed within press prescri&ed tolerances() all of the a&oe (E) only B and C a&oe - The &ase metal net to the weld that has &een heated to a sufficiently high temperature to cause a change in microstructure is the ++++++++++(') tempered zone (B) heat+affected zone (C) untempered zone () pearlite area (") &ase plate - Which of the following can cause incomplete fusion?
(') molten metal flooding a head of the arc (B) insufficient heat input (C) proper %oint design (D) any of the a&oe (") only ' and B a&oe 9igure .6 &elow illustrates TWO methods (. and 1) of magnetic particle inspection with direct current
- $f the prods shown in method @ 1 of figure .6 are placed on the face (ais) of a grooe weld as shown in figure .6 (1)# which of the following flaws would cause the clearest indication? (') a transerse surface crack (B) lack of fusion on the root (C) a plate lamination (D) a longitudinal surface crack (") a tungsten inclusion - Brazed %oints can &e destructiely tested &y which of the following testing methods? (') metallographic (B) peet (C) tension (D) all of the a&oe (") none of the a&oe
- Which of the sym&ols shown in figure .. is used to indicate a field weld as noted in the current edition of 'W, '1-0 standard sym&ols for welding &razing and nondestructie eamination? (') . (B) 1 (C) 2 () 0 (") field welds are not shown on the drawings- which of the following documentation shall a CW$ hae the responsi&ility of erifying? (') records of welder !ualification (B) records of tacker !ualification (C) records of welding operator !ualifications () records of welding procedure !ualifications (E) all of the a&oe
- Which welding sym&ol in figure .1 represents the weld %oint shown &elow?
(') .
(B) 1 (C) 2 () 0 (") 4 - Which of the following is/are sometimes used to control distortion in a weldment? (') peening (B) preheating (C) fitures and stress relief () &ack step welding (E) all of the a&oe
- 'n ultrasonic test of a plate shows a trace on the C>T with peaks as shown in figure .2- $f the sweep is from left to right# the peak at (1) may indicate ++++++(') a flaw at the surface (B) a flaw near the center (C) a reflection from the &ack () a flaw at the &ack (") there is no flaw indicated on the trace - Oereposure to +ray or gamma rays may cause damage to human +++++++(') seual organs (B) &lood tissue (C) skin () internal organs (E) all of the a&oe
- 'n un&roken tensile specimen has a thickness of 6-47 inch and a width of 6-32 inch- What is the cross sectional area in s!uare inches? (') 6-27 (B) 6-06 (C) 6-0. (D) 6-02
(") 6-00 9or !uestions 55 through 36# figure .0 'pplies
9or the weld in fig- .0# No . indicates the +++++++(') &eads (B) weld root (C) weld toe () face reinforcement (") weld face - 9or the weld in fig- .0# No 1 indicates the +++++++(') &eads (B) weld root (C) weld toe () face reinforcement (") weld face)
- 9or the weld in fig- .0# No 2 indicates the +++++++(') &eads (B) weld root (C) weld toe () face reinforcement (") weld face - 9or the weld in fig- .0# No 0 indicates the +++++++(') &eads (B) weld root
(C) weld toe () face reinforcement (") weld face - 9or the weld in fig- .0# No 4 indicates the +++++++(') &eads (B) Weld root (C) Weld toe () 9ace reinforcement (") Weld face - The !ualification of a CW$ coers which of the following areas? (') specify welding procedures (B) compute allowa&le stresses (C) perform radiographic eaminations () conduct tests for analysis of &ase material composition (E) none of the a&oe - When other welding aria&les are held constant# increasing the welding current during 9C'W will do which of the following? (') increase electrode deposition rate (B) increase penetration (C) produce concae weld &eads with poor appearance () all of the a&oe (E) only ' and B a&oe
- 9igure .4 shows a test fiture for which welding process?
(') ,*'W (B) 8*'W (C) ",W () 8T'W (E) ,W -
- Which is the correct welding sym&ol for the desired weld in figure .5? (') (B) (C) () (")
' B C " - *anufacturers recommend that "36.A electrodes &e used with a =short arc=
welding techni!ue- This techni!ue helps to do what? (') speed the metal transfer across the arc (B) maintain good shielding of the molten weld pool (C) in welding thin sheet metal () root pass =whipping= &urn through (") the 8*'W process weld sheet metal
- Brazed %oints can &e inspected &y which of the following testing methods? (') ultrasonic (B) teak (C) torsion (D) any of the a&oe (") only ' or C a&oe - The sym&ol in figure .3 shows the configuration of a +++++++++(') u+grooe weld (B) &eel+ grooe weld (C) I+grooe weld () fillet weld (") flare++grooe weld - Which one of the following conditions will affect the rate and etent to which a li!uid penetrant will enter crack# fissures# and other small openings? (') the hardness of the specimen &eing tested (B) the surface condition of the specimen &eing tested (C) the color of the penetrant () the conductiity of the specimen &eing tested (") the magnetic field residual in the specimen - $n film radiography# $J$ s (pentameters) in most instances are placed to show the !uality of the radiograph for the least faora&le geometry- Which of the following answers would &e correct for the placement of the $J$ for least faora&le geometry? (') &etween the intensifying screen and the film (B) on the source side of the test o&%ect (C) on the film side of the test o&%ect () &etween the operator and the radiation source (") at the window of the +ray tu&e
- What is the welding process illustrated &y figure .A? (') ,*'W (B) 8*'W (C) 8T'W () ,'W (") ;'W - The welding inspector must erify that ++++++++(') all record are completed &y the time hardware is shipped een though they may not hae &een completed at the end of the operations(B) record of !ualification #certification #fa&rication and testing are complete and that they meet appropriate code and /or specification re!uirements specified for the %o&-
(C) all the general points are coered in inspection # since detail is neer allowed in such reports () the hardware was completed # and that the shop promises to complete the records &efore shipment(") that the !uality manual meets the appropriate !uality system national or international standard for welding such as $,O 7666 or 8, 7666-
9or !uestions A2 through A5 the welding sym&ols in figure .A' apply
- $n figure .A'# a weld that etends all around the %oint is shown at num&er ++++++(') 7 (B) 0 (C) 3 () 2 (") A - $n figure .A' an intermittent fillet weld is shown at num&er ++++++(') . (B) 7 (C) 0 () 3 (") 5 - $n figure .A'# a plug weld indicating depth of fill is shown at num&er HHHHHH(') 5 (B) 2 (C) 3 () 4
(") A - $n figure .A' a grooe weld with melt+through is shown at num&er HHHHHH(') 1 (B) 3 (C) 5 () 2 (") .6
- ' CW$ shall &e familiar with and understand the fundamentals of what? (') ,*'W (B) 9C'W (C) 8*'W () 8T'W (E) all of the a&oe - ' single wire su&merged arc welding machine is operating at 566 '# 21 and is traeling at A inches per minute- What is the heat input using the formula &elow
'mps olts 56 ++++++++++++++++++++++++++++++ Trael speed (in/min)
(') 1#066 %oules per inch (B) .#.41666 %oules per inch (C) .00#666 %oules per inch () ..6#666 %oules per inch (") .0#066 %oules per inch - uring eamination of a production weldment the inspector noted that discontinuity indications found &y *T method were not found &y ;T method what dose the indicate? (') there are no flaws (B) the discontinuities are all on the surface (C) the discontinuities size are too small for ;T (D) the discontinuities are not eposed to the surface (") none of the a&oe 9or !uestions 76 through 71 figure .7 applies
- The file of the fillet weld in figure .7 shows a discontinuity at No- . known as what? (') a wagon track (B) a toe crack (C) under lap (D) undercut (") under &ead cracking - The profile of the fillet weld in figure .7 shows discontinuity at No- 1 known as what? (') oerlap (B) a toe crack (C) oerfill () undercut (") toe lamination - The fillet weld in figure .7 shows a discontinuity at No- 2 known as what? (') a macrofissure (B) incomplete fusion (C) piping porosity () undercut (") an under &ead crack - Which of the following slows the rate of cooling in a weld &ead? (') decreasing the heat input per inch of weld
(B) preheating the weldment (C) reducing the electrode size () increasing the speed of trael (") increasing the amperage and trael speed proportionally
- Ki!uid penetrant inspection is used for detecting +++++++++(') weld undercut (B) ecessie weld reinforcement (C) weld discontinuities open to the surface () short fillet weld leg size (") depth of weld penetration
- The li!uid penetrant applied to the surface of a test specimen (') flows into discontinuities upon application of deeloper (B) is a&sor&ed &y discontinuities (C) is drawn into a discontinuities &y capillary action () runs into discontinuities &y graity (") penetrates the surface &y chemical action 9or !uestions 75 through 7A# figure 16 applies
- weld No- . figure 16 is in what position? (') flat (B) horizontal (C) ertical () oerhead
(") none of the a&oe - weld No- 1 figure 16 is in what position? (') flat (B) horizontal (C) ertical () oerhead (") none of the a&oe - weld No- 2 figure 16 is in what position? (A) flat (B) horizontal (C) ertical () oerhead (") none of the a&oe
- Which of the following should &e true regarding inspection reports? (') clearly written (B) contain all re!uired information (C) readily accessi&le (D) all of the a&oe (") only ' and B a&oe - Which of the following the may minimize slag + + + (') Changing the electrodes types (B) Thorough stag remoal &etween passes (C) proper positioning of the %oint () all of the a&oe (E) only B and C a&oe - The fillet weld &reak test is used to check for which of the following? (A) !uality of the weld metal (B) compression strength of the weld %oint (C) ductility of the weld metal () the weld s resistance to lamellar tearing (") impact strength of the weld %oint
- The sym&ol in figure 1. re!uires what kind of testing? (') penetrant testing on the other side of part (B) proof testing on the other side of the part (C) penetrant testing on the arrow side of the part () proof testing on the arrow side of the part (") penetrant and radiographic testing from the other side - *ild steel ('25) steel is (') low car&on steel ('42) (B) medium car&on steel (,'"0.06) (C) high car&on steel (,'" .674) () all of the a&oe (") only B and C a&oe
