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Questions:
72) Incomplete joint penetration penetration can be caused caused by a) b) c) d) e)
Insuff Insuffici icien entt roo roott open openin ing g Exce Excess ssiv ive e trav travel el spee speed d Exce Excess ssiv ive e electr electrod ode e diame diameter ter All All of of the the abov above e A and above
7!) "acro examination #ill reveal the microstructure microstructure of the $$$ a) b) c) d) e)
%ase me metal &eat &eat'a 'affe ffect cted ed (one (one usion (o ( on e All of the the abo abov ve % and above
7*)+he upper limits of preheat and interpass temperatures for ,uenched and tempered steels are specified for #hat reason -s) r a) b) c) d) e)
.eep .eep depos deposit it rate rate to a min minimu imum m "aintain "aintain the strength strength in the base base metal metal heat'affec heat'affected ted (one (one .elp .elp the #eld #eld metal metal from from becom becoming ing too too stro strong ng Avoid Avoid crac crac/in /ing g in the the #eldm #eldment ent 0ett 0etter erss % and and 1 abov above e
7) 3hich of the f ollo#ing is 45+ important pr essential to good record /eeping6 a) b) c) d) e)
lear learly ly and and conci concisel sely y stated stated facts facts A goo good d compa company ny polic policy y manu manual al 3ell 3ell organi(e organi(ed d reports reports prese presenting nting a total total picture picture 0ogica 0ogicall se,ue se,uence nce to to repor reporti ting ng All suppo supporting rting forms reports reports and and data data included included or referen referenced ced
78) In a #elding procedure ,ualification test a reduced section tensile test specimen measured 9* inch x 9'92 inches before testing and failed at a load of 2*!7 lbs$ #hat #as the tensile strength in pounds per s,uare inch of the specimen6
a)
7!92
b) 8;;; c) 8;;; d) 8;; e) <9*;
77) 5xyacetylene #elding of 98 gauge steel re,uires absorptive eye protection of a$$$ a) =hade > * or b) +he same absorptive lens as re,uired for submerged arc #elding c) =hade > 8 or ? d) =hade > 9; ; 92 e) @ust safely glasses 7?)0i,uid penetrant inspection is used for detecting$$$
a) b) c) d) e)
3eld undercut Excessive #eld reinforcement 3eld discontinuities open to the surface =hort fillet #eld leg si(e 1epth of #eld penetration
sing the figure number 9 ans#er the follo#ing 7<) +he symbol above re,uires:
a) b) c) d) e)
Benetrant testing on the other side of part Broof testing on the other side of the part Benetrant testing on the arro# side of the part Broof testing on the arro# side of the part Benetrant and radiographic testing from the other side
?;) A stress relief heat treatment -approximately 99;C on carbon steel ) is intended to $$$ a) b) c) d) e)
hange the microstructure of the #eld Increase the tensile strength of the #eld Deduce the residual #eld stresses across the #eld$ Increase the impact strength of the #eld$ Brovide a method of oven heating for the removal of gas poc/ets trapped in the #eld$
?9) +he li,uid penetrant applied to the surface of a test specimen$$$ a) b) c) d) e)
flo#s into discontinuities upon application of developed$ is adsorbed by discontinuities is dra#n into a discontinuity by capillary action runs into discontinuities by gravity$ penetrates the surface by chemical action$ =+1 +&E 1E=IDE1 3E01 F ="%50 %E053: Defer )ig 4o : 2
?2) Identify the correct #elding symbol for the desired #eld$ a) 9
b$ c) ! d) *
2
e) ?!) "id steel -A!8) steel is more #eldable than$$$ a) b) c) d) e)
0o# carbon steel -A!) "edium carbon steel -=AE9*;) &igh carbon steel -=AE 9;<) All of the above % and
?*) Air carbon arc cutting
a) b) c) d) e)
De,uires an electrode holder De,uire an air supply "ay be done manually or mechanically All of the above A and % above
?) Brior to #elding7 a 3I should chec/$$$
a) b) c) d) e)
If the #elding procedure is ,ualified in accordance #ith the contract spec If the #elder is ,ualified for the process and position If the joint designs and joint preparations meet the re,uirements of the #elding procedure +he inspection re,uirements called out by the contract spec All of the above
?8) A #elder may be re,uired to retest because$ $$ a) b) c) d) e)
&e or she fails their initial #elding test In case there is a change in an essential variable &is or her ability to deposit sound #eld metal is ,uestioned All of the above % and above
?7) A 3IGs records may be used$$$
a) b) c) d) e)
to help recall and verify past decisions used to verify the payment of #or/ invoices to verify man'hour records for the shop for pac/ing slips for shipping all of the above
??)$ +he factor #hich is most important to the reliability of a test is$$$ a) b) c) d) e)
Ease of conducting test ost of re,uired e,uipment Deproducibility of test conditions =peed of testing Bortability of e,uipment
?<) 1uring electroslag #elding crac/s may be avoided by maintaining$$$
a) b) c) d) e)
Broper electrode feed rate Broper current Broper spacing bet#een electrodes or guide tubes All of the above A and above
<;) "agnetic particle inspection is most suitable for the detection of$$$ a) b) c) d) e)
=urface crac/s perpendicular to the magnetic lines of force =hort fillet throat dimensions of fillet #elds 0amination in plate that are less than H inch belo# the surface Excessive #eld reinforcement in butt joints done #ith ="A3 +he residual magnetism of a #eldment
<9) &ardness test method -s) for metals include -s)$$$ a) Doc/#ell b) .noop c) ic/ers d) e)
%rinell All of the above
<2) +he #eld face refers to the$$$ a) b) c) d) e)
=urface of a cross section of the #eld Appearance of the heat'affected (one 5riginal groove face Exposed surface of the #eld on the side from #hich #elding #as done Exposed surface of the #eld on the side opposite from #hich #elding sas done
Insure that the employer receives fair value for inspection fees Dender impartial decisions Deject every #eld the first time of inspection =afeguard the publicGs health and #ell'being % and 1 above
<*) A #elder performing ="A3 #ith too high travel speed can$$$
a) b) c) d) e)
1ecrease penetration ause undercutting at the edges of the #eld ause difficulty in slag removal All of the above A and % above
<) +he only forms may be used for #elding ,ualification records are sho#n in the A3= and A="E code boo/s$ the above statement is$$$ a) +rue b) alse c) +rue only for city government o#ned 3eldments d) e)
4ot to be verified by a 3I +rue except for approved computer generated records /eeping systems
<8) 3hat should be /no#n for proper interpretation of li,uid pe netrant indications6
a) b) c) d) e)
Brevious manufacturing processes performed on the part +echni,ue used in applying and removing the penetrant "ethod used to clean part prior to inspections All of the above 4one of the above
<7)3hich of the follo#ing is an advantage of fluorescent penetrants over visible dye penetrants6 a) b) c) d) e)
+he inspection can be carried out in a #ell'lighted area =mall indications are more easily seen It can be used #here contact #ith #ater is objectionable It is less sensitive to contamination of discontinuities +he dye re,uires no vehicle or solvent
Argon &elium ;2 All of the above 0etters A and % above
<<) Deverse polarity is a nonstandard term for$$$ a) b) c) d)
1irect current electrode negative 1irect current electrode positive 1irect current straight polarity 1irect current reverse polarity
e)
4one of the above
9;;) nder most code rules #elders may be ,ualified by their employers providing they have$$$ a) b) c) d) e)
Bassed a prescribed set of tests %een employed for a minimum of six months Qualified by at least one previous employer A and % above A and % above
9;9)1estructive tests of #elds are designed to$$$
a) b) c) d) e)
1etermine the mechanical properties -i$e$ tensile strength ductility toughness) 1etermine the "odulus of Elasticity of a #eld metal alculate the percent of reduction in area for an all'#eld'metal specimen 1etermine the soundness of #eld metal All of the above
9;2) In comparison to surface crac/s the sensitivity of magnetic particle inspection to fla#sH' inch or more belo# the surface of a thic/$ a)
generally much less
b) c) d) e)
approximately e,ual nearly e,ual if the fla#s are fine nonmetallic strings nearly e,ual if the internal and external fla#s have e,ual #idths greater if the fla#s are located near the #eldGs axis and A current is used
9;!) +he #elding inspector should evaluate critical joint fit'ups before #elding begins$ 3hich of the follo#ing in 45+ an essential part of the evaluation6 a) +ac/ #elds b) Doot opening
c) Bost heat temperature d) Edge preparation e)
1imensions and alignment
9;*) +orch bra(ing is accomplished by the use of a) a neutral oxyfuel gas flame b) a slightly reducing oxyfuel gas flame
c) an air'fuel gas flame d) all of the above e) A and above 9;) 3hich of the follo#ing defects does 45+ occur #hen a #eld is made by the J+A3 Brocess6 a) Borosity b) =lag inclusions c)
rac/s
d) Incomplete fusion e) 5verlap =+1 +&E ="%50 %E053 : Defer )ig 4o: !
9;8) 3hat is indicated by the #elding symbol sho#n above6 a) t#o H'inch fillet #elds on *'inch centers b)
four 2'inch fillet #elds *'inches long at 9?'inch spacing
c)
Intermittent 9? 'inch fillet #elds 2'inches long on *'inch centers
d) intermitten 9? inch fillet #elds *'inches long on 2'inch centers e)
none of the above$
9;7) +he ,ualification of a 3I covers the responsibility to$$$ $ $$
a) b) c) d) e)
$
specify #elding procedures compute allo#able stresses perform radiographic examinations conduct test for analysis of base material composition none of the above
9;?) 3hen other #elding variables are held constant increasing the #elding current 1uring )A3#ill
a) Increase electrode deposition rate b) Increase penetration c)
Broduce concave #eld beads #ith poor appearance
d) All of the above
e)
A and % above
9;<) yield strength may be determined by
a) b) c) d) e)
tension tests charpy tests hardness tests none of the above A or above
99;) 3hich of the follo#ing isare used to perform a) b) c) d) e)
colored ferro'magnetic oxide po#ders A and 1 articulated leg yo/es 1 coils all of the above only A and above
"+6
=+1 +&E ="%50 %E053: Defer ig 4o * in the last page
999) +he above 4on destructive testing symbol refers to #hich of the follo#ing6 a) b) c) d) e)
visual test and penetrant test made on both sides of part visual test made on other side of part and penetrant test made on arro# side visual test made in arro# side of part and penetrant test made on other side of p art visual test made on bac/ of part and penetrant test made on front of p none of the above
992) Any records that re,uire the fabricatorGs signature should be prepared by
a) b) c) d) e)
the inspector the fabricator both the shop foreman and the inspector the QA "anager an engine
99!) Breheat is sometimes used for shielded metal arc #elding of materials #hich have ery high thermal conductivity$ Breheat in this case$
a) b) c) d) e)
Deduces the amperage re,uired for #elding Improves penetration Aids fusion All of the above A and % above
99*) 1irect current electrode positive means the #or/ piece is connected to$$$ a) b) c) d) e)
KreversibleK -alternating) current the positive terminal the negative terminal all of the above none of the above
99)A traveller or production plan re,uires + examination of the laying surface of a #eld @oint$ +he'raying surface is described as$$$
$ $$
a) b) c) d)
+he surface of the joint #hich #ill be ground upon completion of #elding +he face'side of a #eldment$ +he surface of a #eldment #hich #ill come in contact #ith any other surface % or above
e)
+he mating surface of a member that is in contact #ith or in close proximity to another member to #hich it is to be joined
998) +o maintain #eld ,uality during Arc =tud 3elding it is necessary to$$$
a) b) c) d) e)
$
$$
have sufficient #elding po#er use 1 Electrode 4egative -straight polarity) for aluminum ma/e test #elds before starting A and % above A and
997)+he charpy '4otch impact test is$$$
a) b) c) d) e)
the most common fracture toughness test often used in specifying minimum acceptance criteria for base metal often used for #elding procedure ,ualification all of the above A and above
99?) 3hat aspects of fabrication can be chec/ed through visual inspection during 3elding6
a) =e,uence of #eld passes b) c) d) e)
Inter pass cleaning Broper pre eat All of the above A and % above
99<) 3hich of the follo#ing could interfere #ith li,uid penetrant testing6 a) b) c) d) e)
an oily surface a #et surface a rough #eld all of the above only A and % above
92;) +he distance bet#een the tip of the #elding electrode and the #eld =urface is called$$$ a) b) c) d)
Arc force Arc length Arc blo# Arc stri/e
e)
Arc chamber
929)+he certified #elding inspector may be re,uired to verify the follo#ing records are "aintained$$$ a)
3elding procedure ,ualification
b) ontrol of #elding materials c)
3elder ,ualification
d) All of the above e)
A and above
922)5ptimum results are more li/ely #hen ELL98 and ELL9? lo#'hydrogen electrodes $$$$
a) b) c) d) e)
used #ith a long arc on do#nhill #elding and a short arc on uphill #elding stored in refrigerator #hen the container has been opened stored in a holding oven at proper temperature sed #ith a K#hippingK techni,ue on light gage metal Deplaced #ith ELL9! electrodes on vertical #or/
92!)Juided bend specimens may be
a) longitudinal or transverse to the #eld axis b) bend in tensile test machines c) bend in #rap'around bend test jigs d) all of the above e) A and above
92*) %ra(ed joints scan be inspected by #hich of the follo#ing testing methods
a) b) c) d) e)
ultrasonic lea/ torsion any of the above A and % above
92) "anufactures recommend that E 7;9? electrodes be used #ith a Kshort arcK 3elding techni,ue$ +he helps$$$$$$$$$ $ a) b) c) d) e)
=peed the metal transfer across the arc "aintain good shielding of the molten #eld pool In #elding thin sheet metal Doot pass K#hipping burn through +he J"A3 process #eld as sheet metal
928) 3hy should the 3I /eep accurate and up'to'date records and reports6 a) b) c) d) e)
to /eep the superintendent informed to impress the chief inspector so that he can #rite better procedures to satisfy government agencies to assure compliance #ith standards and specifications
927) If a #elding inspector feels he or she is not ,ualified to ma/e judgment as to +he acceptability off a #eldment he or she should a)
1o the best he or she can and report accordingly
b) all for assistance from someone #ho is ,ualified c)
3ait to ma/e judgment until he or she has had time to get additional +raining
d)
=top all #or/ until procedures are developed #ithin the inspectorG Qualification
e)
Allo# #or/ to continue because further #elder experience #ill improve
92?) ltrasonic #aves can be coupled to the test object effectively $$$ a)
through a film of oil
b) through a film of air c) through a layer of #ater
d) through a layer of grease e)
A7and 1 above
92<) 3hen the #eld structure is to be examined at magnifications over 95x are used$
a) "acro'specimens b) micro'specimens c) +ensile specimens d) harpy specimens e) hemical tests
9!;)Blasma Arc utting -Bac) isbetter suited than 5xyfule Jas utting -5) for utting$$$
a) b) c) d) e)
errous sheet metal 4onferrous metals-i$e$ aluminum copper brass etc) Any metals #ith a thic/ness over'inches =tainless steel sheet and plate A % and 1 above
9!9)3hat is meant by K buttering a groove face6 a)
a form of surfacing in #hich one or more layers of #eld metal is -are) deposited on the
surface m-s) of the joint-s) to be subse,uently #elded b) a surfacing variation to achieve re,uired dimensions c) a surfacing variation to achieve metallurgical characteristics such as corrosion resistance d) the condition #hich results iii metal melt'thru e) none of the above 9!2) A #elding procedure specification -3B=) has been ,ualified for production 3elding #ith the J"A3 -short
circuiting transfer
process 3hich condition -s)%elo# is correct for a #elder ,ualified only for A3 regardin
production 3elding using the J"A3 3B=6 a)
+he #elder has been chec/ed out on the J"A3 e,uipment allo#ing himher to #eld J"A3 for production
b)
+he #elderGs supervisor assigned him to the job7 #hich ,ualifies himher because the supervisor /no#s the #elderGs ability
c)
+he #elder has #elded #ith J"A3 process in the past ,ualifying himher for production #elding #ith J"A3
d) +he #elder is ,ualified to #eld A3 only and is not ,ualified to #eld the procedure parts e)
If the #elder is ,ualified #ith A3 heshe is ,ualified for J"A3 short circuiting t transfer because A3 is more difficult to process
9!!) An inspector may chec/ #hich of the follo#ing during #elding6
a) b) c) d) e)
preheat and interpass temperature re,uirements and measuring methods filler metal control and handling use of #elders ,ualified for specific operations all of the above A and % above
9!*) Jas "etal Arc 3elding- J"A3 ) is suitable for #hat metals6 a) b) c) d) e)
carbon steel stainless steel aluminum all of the above A and % above
9!) or ="A3 #hich of the follo#ing re,uire -s) higher preheat temperature6 a)
high carbon steels
b) lo# hydrogen electrodes c) high strength lo# allo7 steels d) all of the above
e)
A and above
9!8) A #elding performance ,ualification test serves to$$$ a) determine a #elderGs reliability b) determine the mechanical properties of a #eidment c) provide statistical input for the purpose of estimating the ratio of accepted rejected #elds d) determine the #elders ability to deposit or produce sound #eld metal e)
A and above
9!7) At #hich of the follo#ing times should the 3I Inspect to assurance compliance #ith the #elding procedure6 a) b) c) d) e)
5nly during the ,ualification activity Brior to during and after production #elding 3hen re,uested to by the #elding foreman 5nce each job Approximately every 8 months
9!?) A #elding inspection should $$$ $
a) b) c) d)
ma/e sure records meet specified re,uirements ma/e sure records are available #hen needed ma/e sure records are in as much detail asMnecessary all of the above
9!<) 0o# hydrogen should be stored$$$
a) at !; the container is ready to be opened b) at !; until the container is ready to be Gopened c) in open cans located around the job site ready for use 9*;) 3hich one of the follo#ing conditions #ill afrLthe rate and extent a li,uid penetrant #ill enter crac/s fissures
and other small opening6
a) b) c) d) e)
the hardness of the specimen being tested the surface condition of the specimen being tested the color of the penetrant the conductivity of the specimen being tested the magnetic field residual in the specimen
9*9)A proper travel speed is essential to good #elding performance$ 3hich of the follo#ing factors influence -s) travel speed a) b) c) d) e)
=urface condition of the base metal joint fit'up #elding current All of the above A and % above
9*2) In film radiography IQIGs -pentameters) in most instances are placed to sho# the ,uality of the radiograph for the least favourable geometry$ 3hich of the follo#ing ans#ers #ould be correct for the placement of the IQl for least
favourable geometry6
a) b) c) d) e)
bet#een the intensifying screen and the film on the source side of the test object on the film side of the test object bet#een the operator and the radiation source at the #indo# of the L'ray tube
9*!)+he hardness of a ferrous material$$$
a) b) c) d) e)
is the ability to #ithstand a sudden b lo# is the ability to #ithstand indentation cannot be estimated by a bend test has no useful purpose to the inspector can be measured by the I(od test
9**) 1uring examination of a production #eldment the inpector noted that discontinuity indications found by "+ the method #ere not found by the B+ method$ 3hat does that indicates6 a) b) c) d) e)
there are no fla#s theGdiscontinuities are all on the surface the discontinuity si(es are too small for B+ sensitivity the discontinuities are not exposed to the surface 4one of the above
%igure &o!
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