CSWIP 3.1 Exam Question and Answers

MMA 1.

Whic Wh ich h wel weldi ding ng pro proce cess ss is is cons consid ider ered ed to be be the the mos mostt vers versat atil ile? e?

!.

(a) SAW (b) TIG (c) MIG  MAG (d) MMA "ne o# the the adv advan antag tages es o# o# a m$lt m$lti%p i%pas asss MMA MMA we weld ld is is that that it gen genera erall& ll& pro prod$ d$ce cess a' (a) (b) (c) (d)

igh ten igh tensil silee str streng ength th igh ig h degr degree ee o# o# d$c d$ctil tilit& it& oars o arsee grai grain n str$ str$ct$ ct$re re *inee gr *in grain ain str str$c $ct$r t$ree

+.

MMA MM A ele elect ctro rode de ca can n be be gro gro$p $ped ed int into o thre threee mai main n t&pe t&pes. s. The These se are are''

0.

(a) ,a ,asic sic-- ell$l ell$los osic ic and and $ti $tile le (b) /e$ /e$traltral- ell$ ell$losi losicc and $ti $tile le (c) ,a ,asic sic-- ell$lo ell$losic sic and and ne$tr ne$tral al (d)) /o (d /one ne o# th thee abo above ve Move Mo veme ment nt o# o# the the arc arc b& ma magn gnet etic ic #or #orce cess in MM MMA A we weld ldin ing g is te term rmed ed'' (a) (a) (b)) (b (c) (d)

.

Whic Wh ich h o# th thee #ol ollo lowi wing ng st stat atem emen entt is is tr tr$e $e?? (a) (b) (c) (d)

6.

The core core wire in a MMA electrode has a higher higher melting melting point point than the the #l$2 3lectrode dc 4ve is $sed when welding welding with the MIG  MAG welding welding process process The A5 o# a carbon manganese manganese steel weld $s$all& $s$all& has a lower $ltimate $ltimate tensile strength strength than the the weld All o# the the abo above ve are tr$ tr$ee

A m$lt m$ltii r$n MMA b$tt weld mad madee on Mn stee steell consis consists ts o#  passes passes $sin $sing g 6mm 6mm electr electrode odes. s. A 1! pass pass weld made on the same 7oint $sing 0mm electrodes on the same material will' (a) (b) (c) (d)

8.

Arcc dev Ar devia iati tion on Arc misa Arc misalig lignm nmen entt Arc blow Arc e& e&e

ave a lower heat heat inp$t inp$t and a higher higher degree degree o# grain re#inement re#inement avee a lower av lower heat inp$t inp$t and and a coarser coarser grain grain str$ct str$ct$re $re ave a lower amo$nt amo$nt o# distortion distortion and and a higher higher degree degree o# grain grain re#inement re#inement ave a higher amo$nt amo$nt o# distortion distortion and and a lower lower degree o# grain re#inemen re#inementt

A t&pi t&pical cal mini minim$m m$m preh preheat eat temp temperat erat$re $re #or an an MMA MMA weld mad madee on stee steell with with a carb carbon on conte content nt o# 9.!+ 9.!+: : and and manganese content o# 1.+:' (a) (b)) (b (c)) (c (d)) (d

;reheat ;reh eat wo$ wo$ld ld not not norma normall& ll& be be re<$ir re<$ired ed =ess th =ess than an 9 9>c >c A min minim im$m $m o# o# 199> 199>cc Abov Ab ovee !9 !9>c >c

.

Whic Wh ich h is o# o#te ten n the the har harde dest st par partt o# a m$l m$lti ti r$n r$n we weld ld mad madee $sin $sing g MMA? MMA?

@.

(a) Th (a) Thee A5 A5 o# th thee roo roott (b)) Th (b Thee A5 A5 o# th thee cap cap (c) The root (d) The ca cap Which Whi ch o# the #o #ollo llowin wing g weld welding ing pro proces cesse sess wo$ wo$ld ld &o &o$ $ e2p e2pect ect to $se a coll collet' et'

19.

(a) TIG  TAG (b) MIG  MAG (c) MMA (d)) Al (d Alll o# o# the the ab abov ovee Which Whi ch o# o# the the #ollo #ollowin wing g proc process esses es $se $se a co const nstan antt char charact acteri eristi stic? c?

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(a) (b) (c) (d)

S$b%arc S$b% arc  1999 1999 amps amps-- MMAMMA- 3lectro 3lectro slag TIG  TAGTAG- S$b% S$b%arc arc B 1999 1999 amps amps-- 3lectro 3lectro slag slag S$b%arc S$b% arc  1999 amp ampss- MIG  MAGMAG- 3lectro 3lectro slag slag MIG  MAGMAG- S$b%arc S$b%arc B 199 1999 9 ampsamps- 3lectro 3lectro slag slag

11.. 11

Which Whic h o# the the #ollowin #ollowing g welding welding proce processe ssess $ses a resistiv resistivee heating heating s&stem s&stem to to achieve achieve weld weld metal metal deposi deposition tion??

1!.

(a) MMA (b) SAW (c)) 3l (c 3lec ectr tro o slag slag weld weldin ing g (d) e esis sistan tance ce spo spott weldi welding ng In MMA MMA weld weldinging- wha whatt parame parameter ter is is $sed $sed to con control trol the pen penetra etration tion into the base mat materia erial? l?

1+.

10.

(a) Colt (a) ltag agee (b)) Weld (b ldin ing g spe speed ed (c) Iro Iron n powd powder er in the co coast asting ing (d) $rrent In MMA weld weldinging- the the slag prod prod$ce $ced d can be be varied varied to s$it the the weldin welding g position position.. Which Which t&pe t&pe o# slag slag wo$ld wo$ld be be re<$ired #or welding in the C position? (a) *l$id (b)) Cisc (b sco o$s (c)) /o (c /one ne o# th thee abo above ve (d)) Se (d Sem mi #l$ #l$id id The weld weld metal metal dep deposit osit o# MMA MMA elec electrod trodeses- achiev achieves es its its mechan mechanical ical stre strength ngth thro thro$gh $gh'' (a) The (a) The cor coree wir wiree (b)) Th (b Thee ##l$ l$2 2 coa coati ting ng (c) Iron pow powders ders with the #l$2 coat coating ing

1.

In gen genera erall it is not not eas& eas& to mec mechan hanise ise the the MMA MMA we weldi lding ng proc process ess be beca$ ca$se' se' (a) (b) (c) (d)

16.

Which Whic h arc weld welding ing proce process ss techni techni<$e <$e is liDel& liDel& to to be $sed $sed to repair repair local localiEed iEed poro porosit& sit& in in a weld? weld? (a) (a) (b) (c) (d)) (d (e)) (e

18.

Short electrode electrode lengthlength- the control o# o# the arc length length and the process $ses $ses a #lat characteristic characteristic Short electrode electrode lengthlength- the control o# the arc length length and and #l$2 coverings coverings The control control o# the arc lengthlength- stop start start problems problems and short short electrode electrode length length *l$2 coveringscoverings- short short electrode electrode lengths lengths and relationship relationship between amps and and volts

MMA MM A F ;G ;G pos posit itio ion n Mechanis Mecha nised ed arc we weldi lding ng S$b Arc Alll o# Al o# the the ab abov ovee /one /o ne o# th thee abo above ve

A repair repair has has been been made made $sing $sing MMA MMA on on a do$ble do$ble C b$tt weld weld on a 19 m diame diameter ter tanD. tanD. The The de#ect de#ect repair repaired ed was was lacD o# inter%penetration and it had been e2cavated with a disc grinder prior to repair. A#ter repair it was determined that the wrong electrodes had been $sed. What action sho$ld the inspector taDe' (a) (b) (c)) (c (d)

18.

avee the repa av repair ir area area gro$nd gro$nd and re%re re%repair pair Accept the worD Accept worD i# the electro electrodes des were were the same same #l$2 t&pe t&pe eat e at tre treat at th thee are areaa ons$lt the senior inspector inspector or welding welding engineer engineer i# the speci#ication speci#ication or proced$re proced$re does not cover cover the co$rse o# action Which Whi ch of the the followi following ng weldin welding g proces processes ses may may be descr describe ibed d as a low low H2 proces processs in compar compariso ison n with MMA welding? ( ) !"











(a) St (a) Stab abil iliE iEes es th thee arc arc (b) ,ind ,indss the the ingre ingredien dients ts o# o# the the #l$2 #l$2 (c)) *o (c *orm rmss sl slaag (d)) Al (d Alll o# o# the the ab abov ovee Which Whic h o# the the #ollowin #ollowing g b$tt b$tt weld prepa preparatio ration n is $s$all& $s$all& the most most s$scep s$sceptibl tiblee to lacD lacD o# side side wall wall #$sion #$sion d$ring d$ring MMA welding?

!9.

!1.

(a) A do$ do$ble ble side sided d  prepa preparat ration ion (b) A sing single le C pre prepa parat ration ion (c) A do$b do$ble le sided sided C prep prepara aratio tion n (d) It is not possible to ind$ce lacD o# side wall #$sion #$sion d$ring d$ring MMA welding Which Whic h o# the the #ollow #ollowing ing will will var& var& the the most most when when var&in var&ing g the arc leng length th $sing $sing the the MMA MMA proce process? ss?

!!.. !!

(a) (a) (b)) (b (c) (d)) (d Wh& Wh & (a) (a) (b) (c) (d)

!+.

Colt ltag agee Amp Am pera rag ge ;olarit& /one /o ne o# th thee abo above ve havee a hig hav high h "C "C wit ith h MMA MMA wel eldi ding ng?? To in init itia iate te To obta obtain in pen penetr etrati ation on To avo avoid id lacD lacD o# #$s #$sion ion MMA weld welding ing does does not not have have a high "C

Which Whi ch o# the the #oll #ollowi owing ng sente sentenc nces es appli applies es to the the $se $se o# basic basic MMA MMA elec electro trode des? s? (a) (b) (c) (d)

!0.

The& are are $sed to depos deposit it weld metal metal in the vertica verticall position position onl& The& are are $sed where deep deep penetration penetration is a primar& primar& re<$ireme re<$irement nt The& are are $s$all& $s$all& $sed $sed to deposit deposit weld weld metal metal o# low h&drog h&drogen en content content ,asic electrodes electrodes are chosen chosen when when ease ease o# $se is o# importance importance

Which Whic h o# the #ol #ollowin lowing g weldin welding g proce processe ssess does does not not $se $se a cons cons$ma $mable ble elec electrod trode? e? a b c d 1.

SAW MMA TIG 3SW

Which Whic h o# the #ollowing #ollowing welding welding proces processes ses ma& be describ describeded- as a low h&droge h&drogen n process process in compariso comparison n with general general MMA welding'

!.

a) TIG b) MIG c) MAG d) /one o# the above e) All # the above Wh& hav havee a h high igh ". "..C .C.. with with MMA wel weldin ding g

+.

a) To initiate the arc b) To obtain penetration c) To avoid lacD o# #$sion d) MMA we ld lding does not ha ve ve a hi gh gh "..C. *ish *is h F e&e e&ess- cchev hevron ron cra cracDs cDs and #is #iss$r s$res es are' are' a) b) c) d)

/ot associated with welding T&pes o# cracDs T&pes "nl& enco$ntered in MMA welds &drogen related problems











.

d) =ac acD D o# sid sidee wal walll #$ #$si sio on do does no nott e2i e2ist st wit ith h MM MMA Which Wh ich weldi welding ng proces processs is consid considere ered d the most most versat versatile ile?? a) b) c) d)

6.

When weldin welding g $sing the the MMA proc processess- var&ing var&ing the arc arc length length will give give the most most variation variation o#' a) b) c) d)

8.

.

@.

SAW TIG MIGMAG MMA

Coltage Amperage ;olarit& /one o# the above

Which Whic h de#ect de#ect wo$ld wo$ld &o$ e2pect e2pect to obtain obtain in TIG TIG welds in non%de non%deo2id o2idiEed iEed steel? steel? a) nder c$t b) ;orosit& c) T$ngsten incl$sions =inear misalignment misalignment Jo Jo$ $ noticed man$al metal metal arc welding welding electrodeselectrodes- stripe o# #l$2- are being $sed $sed as #iller #iller wire- #or TIG welding. Jo$ wo$ld ob7ect beca$se' a) It is too e2pensive b) The wire wo$ld wo$ld be too thicD c) The we weld me metal co composition ma ma& be be wr wrong The wire is too short short When the TIG TIG welding welding A$steni A$stenitic tic Stainless Stainless Steel Steel pipe. Argo Argon n gas bacDing bacDing is called called #or. This is to'

a) ;revent o2idation b) ;revent $nder $nder bead cracDing c) ;revent porosit& d) ontrol the penetration bead shape 19. When re#erring re#erring to TIG welding- the shielding shielding gas gas co$ld co$ld be' d) Argon 4 &drogen e) Argon 4 eli$m #) Argon 4 /itrogen g) All o# the above 11. Which arc arc weld welding ing process process $tiliEes $tiliEes a non%con non%cons$mable s$mable electrode electrode?? h) MIG i) TIG 7) MMA D) SAW l) All o# the above 1!. Which o# the s&stem o# #$sion? a) b) c) d) 1+. 1+.

#ollowing

processes

$ses

the

*riction welding i##$sion i##$sio n bonding 3lectron beam welding A$togeno$s TIG welding

Argon Argon p$rg p$rging ing on the the roo roott side side is is neces necessar sar& & in the TIG TIG weldi welding ng o# o# stain stainles lesss stee steell to' a. "btain #$ll penetration. b. "btain #$ll #$ll #$sion. c. Avoid porosit& in the root. d. "btain a satis#actor& weld s$r#ace #inish.

KDe&holingL











c. "pen s<$are preparation. d. losed s<$are preparation 1. 1. Inhere Inherent nt recti recti#ic #icati ation on o# o# the electr electrica icall o$tp$ o$tp$tt is prod prod$c $ced ed in in the arc when when TIG TIG weld welding ing $sing $sing'' a. A with a s$ppressor b. A witho$t witho$t a s$ppressor s$ppressor c.  with reverse polarit& d.  with straight polarit& 16. 16. When When re#e re#err rrin ing g to to TIG TIG weld weldin ingg- the the shi shiel eldi ding ng gas gas co$ co$ld ld be' be' a. Argon and h&drogen. b. Argon Argon and heli$m. c. Argon and nitrogen. d. All the above.

10. Which o# the #ollowing #ollowing de#ects is is more common common to welds deposited deposited b& "! welding than welds deposited b& MMA? a. Slag incl$sions. b. 32cess penetration. penetration. c. =acD o# sidewall #$sion. d. T$ngsten incl$sions.

TIG

!.

The TI TIG G weld welding ing pro proces cesss $til $tiliEe iEess an an elec electro trode de tha thatt is' is' (a) ell (a) ll$ $lo losi sicc (b)) /o (b /on n con cons$ s$ma mabl blee (c)) o (c ons ns$m $mab able le /one o# the the above

!6.

When Whe n re# re#err erring ing to TI TIG G weld welding ing-- the the shiel shieldin ding g gas gas co co$ld $ld be be''

!8.

(a) Ar (a) Arg gon 4 & &dr drog ogen en (b)) Ar (b Arg gon 4 e eli li$m $m (c)) Ar (c Arg gon 4 /it /itro roge gen n (d)) Al (d Alll o# o# the the ab abov ovee Which Whic h o# the the #ollow #ollowing ing ma& ma& be $sed #or the the TIG TIG  TAG TAG weldin welding g o# a$ste a$steniti niticc stainles stainlesss steel? steel?

!.. !

(a) =at =athan han$m $m ele electr ctrod odee dc Fv Fvee (b) e eri$ ri$m m elec electro trode de dc dc Fve Fve (c) 5ir 5irco coni$ ni$m m elec electro trode de ac (d) Th Thori ori$m $m elec electro trode de dc dc Fve Fve In TI TIG G wel weldi ding ng th thee noE noEEl Elee is is $s$ $s$al all& l& ma made de''

!@.

(a) opper (b)) Al$ (b l$m min in$ $m (c) eramic (d)) o (d opp pper er  5i 5inc nc Which Whi ch arc we weldi lding ng pro proces cesss $ses $ses a non non con cons$m s$mab able le elec electro trode? de? (a) MIG (b) TIG











+1.

(b) c 4v (b) 4vee ele elect ctro rode de (c)) c Fv (c Fvee ele elect ctro rode de (d) All o# the the above above co$ld co$ld be be $sed $sed s$ccess s$ccess#$ll& #$ll& Jo$ Jo $ notice notice man$al man$al metal metal arc electr electrodes odes-- stripped stripped o# #l$2#l$2- are bein being g $sed as as #iller #iller wire #or #or TIG weldin welding. g. Jo Jo$ wo$ld ob7ect beca$se' (a) (a) (b) (c) (d)

+!. (a) (b) (c) (d)) (d

It is is too too e2 e2pe pens nsiv ivee The wire The wire wo$l wo$ld d be too thi thicD cD The weld weld metal metal com composi position tion ma& be be wrong wrong Thee wire Th wire is too sho short rt

When TIG weld welding ing A$ A$sten stenitic itic Stain Stainless less Steel Steel pipe pipe-- Argon Argon gas baDi baDing ng is call called ed #or. #or. Thi Thiss is to' to'

;revent o2idation ;revent $n $nder be bead cracDing ;revent porosit& on ontr tro ol th thee penetr traati tio on bead shap apee ++.

The main main reaso reason n #or $sing $sing a bacD p$rg p$rgee when when welding welding 1% 1% stainle stainless ss steel steel with with the TIG TIG weldin welding g process process is to' (a) (b) (c) (d)

ontrol ontr ol the the root root penetr penetrati ation on ;reve ;re vent nt root root bea bead d poros porosit& it& Impro Im prove ve posit position ional al weld welding ing ;revent ;rev ent the #ormat #ormation ion o# a dense dense o2ide o2ide la&er la&er on the root root

MIG 1.

In MIG MIG ? "! "! weldin welding g which which param parameter eterss give give the the greate greatest st contro controll o# weld appe appeara arance nce d$ri d$ring ng dip dip trans# trans#er er or or short circ$iting welding? (a) (b)) (b (c)) (c (d)) (d

Wire Wi re sti sticD cD o$ o$tt leng length th Ampera Amp rag ge Wire Wi re #e #eed ed sp spee eed d Ind$ In d$ct ctan ance ce

+0.

Spatte Spa tterr ma& ma& be be #inel #inel& & cont contro rolle lled d d$rin d$ring g MIG MIG  MAG MAG weld welding ing b& b&''

+.

(a) Ad7$ Ad7$sting sting the ind$ ind$ctan ctance ce con control trol (b)) s (b sin ing g "! "! ga gass (c) Inc Increa reasin sing g the the arc vo volta ltage ge (d) We Weldi lding ng wi with th no ga gass ;oorr penetr ;oo penetrati ation on wo$l wo$ld d be #o$ #o$nd nd in MIG  MAG weld welded ed stee steels ls when when $si $sing ng'' (a) (a) (b) (c)) (c (d)) (d

+6.

Arg Ar gon 4 !9: !9: " "! ! "! ;$rre Arg ;$ Argo on Arg Ar gon 4 : : "! "!

Which Whic h o# the #ol #ollowin lowing g proce processes sses wo$ wo$ld ld be be most most pron pronee to lacD o# #$sio #$sion n de#ec de#ects' ts' (a) (a) (b)) (b (c)) (c (d)) (d

;$ls ;$ lsed ed ar arcc MIG MIG Spra& Spra & tran trans# s#er er MIG MIG ip i p tr tran ans# s#er er MI MIG G S$bm S$ bmer erg ged ar arcc













The arc voltage 1.

MIG we weldi lding ng tend tendss to be s$s s$sce cepti ptible ble to lacD lacD o# #$si #$sion on pro proble blems ms.. This This is bec beca$ a$se se o#' o#' (a) (b) (c) (d)) (d

+.

A comm common on gas gas  mi2t$re mi2t$re $sed $sed in in MIG weldin welding g nicDel nicDel allo&s allo&s to comb combine ine good good levels levels o# pene penetrati tration on with with good good arc stabilit& wo$ld be' (a) (b)) (b (c)) (c (d)

+@.

09.

199 : "! 199: Arg 199: rgon on 9: 9 : Arg Argon on !9: !9: " "! ! @: @ : Arg Argon on !: !: "2& "2&ge gen n

When Whe n re# re#err erring ing to MI MIG G weld welding ing-- the the shie shieldi lding ng ga gass co$l co$ld d be' be' (a) Argon (b)) Ar (b Arg gon 4 1: o2 o2&g &gen en (c)) Ar (c Arg gon 4 !9: !9: " "! ! (d) /one o# the the above above What What #ive #ive param parameter eterss wo$ld wo$ld be be checDe checDed d when when calibra calibrating ting weld welding ing e<$ip e<$ipmen mentt #or mechaniEed MAG welding? (a) (b) (c) (d)

01.. 01

;oorr mainte ;oo maintena nanc ncee o# e<$ipm e<$ipmen entt Incorrect Incorr ect se setti tting ngss ;oorr inter ;oo inter r$n cle clean aning ing Alll o# Al o# the the ab abov ovee

Noint set set $p- #l$2 coatingcoating- polarit&polarit&- travel speed and amps amps  volts volts Ampss  volts- W*SAmp W*S- gas #low raterate- polarit& polarit& and and travel travel speed speed Ampss  volts- W*SAmp W*S- wire diameter diameter-- polarit& polarit& and trave travell speed 3lectrode sticD o$to$t- W*S- amps  volts- polarit& polarit& and and wire diameter

Whic Wh ich h o# o# the the #o #oll llow owin ing g sta state teme ment ntss is is tr$ tr$e? e? (a) (b) (c) (d)

3lectrodee dc 4ve alwa&s 3lectrod alwa&s prod$c prod$ces es a narrow narrow deep weld weld pool pool The word word $tile $tile means means calci calci$m $m carbon carbonate ate ;orosi ;or osit& t& is alwa alwa&s &s repa repaira irable ble c electro electrode de 4ve is $sed $sed #or #or the MAG MAG welding welding o# steel steel

Saw 0!.

When weldi welding ng a do$bl do$blee C b$tt b$tt with with the SAW SAW proc process ess the the presenc presencee o# center center line poros porosit& it& ma& ma& be d$e d$e to' to' e # g h

amp #l$2 Inc nco omple lete te penetr traati tio on ont o ntam amin inat ated ed we weld ld pr prep epar arat atio ion n Atm At mos osph pher eric ic cont contam amin inat atio ion n











0.

(b) ,$ (b) ,$rn rn ra rapi pidl dl& & (c)) Go (c Good od pe pene netr trat atio ion n /one o# the abov abovee In SAW SAW proce process ss i# voltag voltagee and c$rre c$rrent nt is increa increased sed and and travel travel speed speed is decrea decreasedsed- what what will will be the e##ect e##ect in the pro#ile? pro#ile?

06.

(a) Wider we (a) weld (b) ig ighe herr weld rein# rein#orc orcem emen entt (c) o onca ncave ve we weld ld s$ s$r#a r#ace ce In SAW SAW-- the the $se $se o# o# e2ce e2cessi ssive vel& l& high high vo volta ltage ge wo$ wo$ld ld res$ res$lt lt in' in'

08.

(a) Ins Ins$## $##ici icien entt #l$2 #l$2 melti melting ng (b) 32 32ces cessiv sivee #l$2 #l$2 melt melting ing (c) Sla Slag g remo remova vall di##i di##ic$ c$lti lties es Spatte Spa tterr S$bme S$bmerge rged d arc arc #l$2e #l$2ess can be s$p s$ppli plied ed in in two two #orms #orms.. These These are' are' (a) (b)) (b (c) (d)

0.

Sinter Sin tered ed and agi agitat tated ed Agitat Agit ated ed and and #$s #$sed ed r$she r$ shed d and and agglo agglome merat rated ed *$sed *$s ed and and agg agglom lomera erated ted

I# S$bmerg S$bmerged ed arc arc welding welding is to be $sed $sed to to maDe maDe b$tt b$tt weldswelds- which which wo$ wo$ld ld &o$ &o$ be mos mostt critical critical o#? (a) (b) (c)) (c (d)) (d

The roo The roott gap gap tol tolera eranc ncee Thee angle Th angle o# pre prepa parat ration ion Thee root Th root #a #ace ce wi widt dth h Thee gas Th gas c$t c$t #i #ini nish sh

0@.

S$bme S$b merg rged ed arc we weldi lding ng is a proc process ess tha thatt gene general rall& l& giv gives' es'

9.. 9

(a) Sl (a) Slag ag #r #ree ee wel elds ds (b)) =o (b =ow w pen penet etra rati tion on (c)) =o (c =ow w di dil$ l$ti tion on (d)) i (d igh gh he heat at in inp$ p$tt (e) Slag Sl ag in incl cl$s $sio ions ns ma ma& & oc occ$ c$rr wit ith' h' (a) (a) (b)) (b (c) (d)) (d

1.

Man$al Man$ al Me Meta tall arc arc Meta Me tall Ine Inert rt Ga Gass S$bme S$b merg rged ed Arc Arc We Weldi lding ng ,oth A O 

A metal metall$r l$rgi gica call proble problem m most most assoc associat iated ed with with S$bme S$bmerg rged ed Arc Arc weldi welding ng is' is' (a) &dro &droge gen n cracD cracDing ing in in the the A5 A5 (b) Solid Solidi#ic i#ication ation crac cracDing Ding in the weld weld metal metal (c) &d cDing cDi ng in the weld meta metall











(a) ,S 6+@ (b) ,S !@ !@91 (c) ,S !6++ (d) ,S 01 016 In s$bmerged arc welding- e2cessive arc voltage ma& ca$se? a) 32cessive penetration b) hange in weld metal metal composition composition c) /arrow weld width d) 32cessive bead pro#ile Slag incl$sion wo$ld occ$r with' a) Man$al metal arc b) Metal inert gas gas c) S$bmerged arc welding d) ,oth A O  A metall$rgical problem most associated with s$bmerged arc welding is' a) b) c) d)

&drogen cracDing in A5 Solidi#ication Solidi#icatio n cracDing in the weld metal &drogen cracDing in the weld metal =amellar te tearing in in the we weld me metal

3/ standard ! wo$ld re#er to which o# the #ollowing' a) b) c) d)

Welder approval testing Welding We lding e<$ipment e<$ipment Welding proced$re approval ons$mables #o #or s$ s$bmerged ar arc we welding

S$bmerged arc $tilities' a) eep penetration characteristic b) igh deposition deposition rate on 4 c) *lat (;.A.) welding onl& Which o# the #ollowing welding processes $ses a resistive heating s&stem to achieve weld metal deposition? a) Man$al metal arc welding b) S$bmerged%arc S$bmerg ed%arc welding welding c) 3lectro slag welding esistance spot welding Which o# the #ollowing is liDel& to give the highest impact strength in #erritic weld metal?











1.

A common common gas gas mi2t$re mi2t$re $sed in MIG welding welding nicDe nicDell allo&s allo&s to combine combine good levels levels o# penetrati penetration on with good good arc stabilit& wo$ld be'

!.

a) 199: "2 b) 199: argon argon c) 9: argon !9: "! d) @: argon !: o2&gen The t&pe t&pe o# SAW SAW #l$2 #l$2 is more more resista resistance nce to to moist$r moist$ree absorptio absorption' n'

+.

a) *$sed b) Agglomerated Agglome rated c) ,asic d) All o# abo$t the same resistance When re#e re#erring rring to MIG MIG welding welding-- the shiel shielding ding gas co$l co$ld d be' be'

0.

.

a) Argon b) Argon 4 1: "2&gen "2&gen c) Argon 4 !9: "! d) /one o# the above The steel compos composition ition in str$ct$ral str$ct$ral contract contract is changed #orm 9.1: 9.1: carboncarbon- 9.6: mangan manganeseese- to 9.!: 9.!: carboncarbon1.!: manganese. Might this in#l$ence the incidence o#? a) ;orosit& b) racDing in the weld area area c) nder c$t #or #illet welds d) =acD o# root #$sion de#ects MIG welding welding tend tendss to be s$scep s$sceptible tible to to lacD o# o# #$sion #$sion problems problems.. This is beca$ beca$se se o#' a) b) c) d)

6.

;oor maintenance o# e<$ipment Incorrect setting setting ;oor inter r$n cleaning All o# the above

In MAG"! MAG"! weldin weldingg- which which parame parameters ters give give the great greatest est control control o# weld weld appearance d$ring dip trans#ers or short%circ$iting welding? a) b) c) d)

Wire sicD%o$t length Amperagee Amperag Wire #eed speed Ind$ctance

;re heat 1.

In acco accordan rdance ce with with ,S 1+ 1+ what is the the minim minim$m $m dista distance nce the pre hea heatt shall shall be appl applied ied #rom the 7oin 7ointt preparation? preparation?











8.

(b) & &dro droge gen n cra cracD cDing ing (c) =ac =acD D o# o# side side wa wall ll #$s #$sion ion (d)) ;o (d ;orros osit it& & Weldi We lding ng a ste steel el plat platee o# a 3 o# 9.0 9.0-- wo$ld wo$ld re< re<$ir $iree preh prehea eatin ting g to' to' (a) (b) (c) (d)

.

ow man& man& tempe temperat$ rat$re re indicat indicating ing cra&o cra&ons ns wo$ld wo$ld be re<$ re<$ired ired to to ens$re ens$re the the preheat preheat temp temperat erat$re $re was was l&ing l&ing within a speci#ied range? (a) (b) (c) (d)) (d

1.

;revent ;rev ent the #orm #ormatio ation n o# s$lp s$lphide hidess ;revent ;reve nt harde hardenin ning g in the the A5 ;revent ;rev ent the #orm #ormatio ation n o# o# carbi carbides des To impr improve ove mecha mechanica nicall propertie propertiess in the weld weld

1 ! + As man man& & as as poss possib ible le

A carbon e<$ivalent o# 9.0 .0 :' (a) (b) (c) (d)

Is hig #or #or a %Mn steel and ma& re<$ire re<$ire a preheat preheat temperat$re temperat$re over 199>c 199>c Is insigni#icant insigni#icant #or #or a %Mn steel and preheat preheat will will not be re<$ired re<$ired Is calc$l calc$lated ated #rom the heat heat inp$ inp$tt #orm$la #orm$la Is not a consideration consideration #or determining determining preheat temperat$re

!.

;reeheat ;r atiing #or arc arc wel eldi ding ng appli liees to to'

@.

(a) Ass Assem embl& bl& we weldi lding ng on onl& l& (b) Ass Assem embl& bl& and and tacD tacD we weldi lding ng (c) No Noint intss over over !m !mm m thicD thicD onl onl& & (d) r$ r$ci# ci#orm orm we welds lds on onl& l& (e) Which Whi ch o# the #o #ollo llowin wing g are are es esse senti ntial al va varia riable bless #or #or ;W ;WT? T?

69.

(a) e (a) eat atin ing g ra rate te (b) Tem empe perat rat$re $re att attain ained ed (c)) o (c ool olin ing g ra rate te All o# the above Wh& is stre stress ss reli relie# e# (;W (;WT) T) som somee times times carr carrie ied d o$t o$t on we weldm ldmen ents? ts? e # g h

3lectrode

To dis disso solv lvee ent entra rapp pped ed h& h&dr drog ogen en To re remo move ve re resi sid$ d$al al st stre ress sses es To #$ #$se se pl plan anar ar de de#e #ect ctss All o# the above













(c) $title (d)) /o (d /one ne o# th thee abo abobe be 61.

When K! con controlL trolL is speci# speci#ied ied #or #or a man$a man$all metal metal arc weld welding ing pro7e pro7ectct- the the electro electrode de wo$ld wo$ld norm normall& all& be' be'

6!.

(a) ell (a) ll$ $lo lose se (b)) Ir (b Iron on o2 o2id idee (c) Acid (d) ,asic Jo$ Jo $ wo$ld wo$ld with with certain certaint& t& recog recogniEe niEe a h&drog h&drogen en contro controlled lled #l$2 #l$2 cover covered ed elect electrode rode #rom its'

6+.

(a) (b) (c)) (c (d) In ,S ,S

60.. 60

(a) Ten ensil silee and &iel &ield d streng strength th (b)) To$g (b $ghn hnes esss (c)) 3l (c 3lec ectr trod odee coa coati ting ng (d) 3le 3lectr ctrode ode e# e##i #icie cienc& nc& Sili Si lico con n is is ad adde ded d to el elec ectr trod odee co coat atin ing g as as''

6.

(a) A sl (a) slip ippi ping ng ag agen entt (b)) A sla (b slag g #or #orme mer r (c)) A de% (c de%o2 o2id idan antt (d)) A col (d colo$ o$ri ring ng age agent nt Which Whi ch ele electr ctrod odee classi classi#ic #icati ation on wo$l wo$ld d be rele releva vant nt to AWS A A.1 .1  1' 1' (a) (b) (c) (d)) (d

olo$r =ength Trade /am /amee AWS AW S  ,S6+@ ,S6+@ od odee =ette =etter r 6+@ and 6+@ and ,S3n 0@@ the #irst digi digits ts o# o# the the electr electrode ode clas classi#i si#icati cation on indic indicate' ate'

3 691+ 3 1++ 3 891 *lee *l eett wel weld d











89.

81.

What cons constit$e tit$ent nt is neede needed d in a coatin coating g o# an elec electrod trodee to preven preventt the #ormat #ormation ion o# poros porosit& it& in weldi welding ng o# a rimming steel? (a) Ir (a) Iron on po pow wde ders rs (b)) a (b alc lci$ i$m m #l$o #l$ori ride de (c) Silicon (d)) a (d alc lci$ i$m m carbo carbona nate te The $se $se o# cell$lo cell$losic sic electr electrodes odes is o#ten o#ten made made when when weldi welding ng the root pass pass o# pipe pipess in the #ield #ield.. This This is beca$s beca$se' e' (a) (a) (b) (c) (d)

&drogen 8!.

+

0

! con contr trol ol is is need needed ed Iron pow powders ders in the the elec electrod trodee igher igh er arc arc volt voltage age can be obta obtained ined Shorter Shor ter arc arc length length can be achie achieved ved

The prese presence nce o# o# too m$c m$ch h h&drog h&drogen en when when weldin welding g Mn stee steels ls wo$ld wo$ld be be to ca$se ca$se the #orma #ormation tion o#' o#' i ;orosit& 7 =acD o# #$sion #$sion D racD l $nderc$t &dr & drog ogen en cr crac acDi Ding ng in th thee wel weld d met metal alss is is liD liDel el& & whe when n wel weldi ding ng'' a arb a rbon on Ma Mang ngan anes esee st stee eels ls b Stainless steels steels c Micr Mi cro o all allo& o&ed ed st stee eels ls ( (S= S=A) A) d =ow carbon steels In acco accord rdanc ancee with with ,S 1+ 1+  which which o# o# the the #ollo #ollowi wing ng is app applic licab able le #or #or scale scale KL KL with with reg regard ardss to h&dro h&droge gen n content per 199g o# deposited weld metal? a b c d

B 1 ml B 1 ml  ! ml B 19 ml  1 ml B  ml  19 ml











(a) (b)) (b (c)) (c (d)) (d ltrasonic 1.

ltr l tras ason onic ic wo wo$l $ld d be be pre pre#e #err rred ed ov over er ra radi diog ogra raph ph& & d$e d$e to to'' (a) (b) (c) (d)) (d

80.

!.

Abilit& Abili t& to to #ind #ind most most de#e de#ects cts =ower =ow er sDill sDill re< re<$ir $irem ement ent Abili Ab ilit& t& to dete detect ct lami lamina natio tion n ,oth A O 

ltrasonicc testing ltrasoni testing is o# o# advanta advantage ge in detec detecting ting which which o# o# the #ollo #ollowing wing weld impe imper#ec r#ection tion over over other other /T /T method' (a) (b)) (b (c) (d)

Tempering 1.

;oor weld ;oor welding ing tec techni hni<$ <$ee Weld ldin ing g proce process ss Weld ldin ing g posi positi tion on Alll o# Al o# the the ab abov ovee

=acD o# =acD o# side side wa wall ll #$s #$sion ion S$r# S$ r#ac acee $nde $nderc rc$t $t Incom Inc omple pletel tel& & #ille #illed d groov groovee "verlap

The proc process ess o# tempe tempering ring is o#ten o#ten carr carried ied o$t to regai regain n to$gh to$ghness ness a#te a#terr which which o# the #oll #ollowin owing g proce processes sses'' (a) Anneal (a) aliing (b)) /o (b /orm rmal alis isin ing g (c)) ard (c rdeenin ing g (d)) St (d Stre ress ss re reli liev evin ing g When Wh en co cons nsid ider erin ing g the the he heat at tre treat atme ment nt pro proce cess ss o# te temp mper erin ing' g' (a) This is achieved achieved b& slowl& slowl& heating the the material to a temperat$re temperat$re between between !99>c to to 69>c and and slow cooling in air (b) This is achieved achieved b& heating the material material to aro$nd aro$nd !99>c and soaDing soaDing #or appro2imatel& appro2imatel& 19 F 1! 1! hrs and cooling down in air (c) Cer& #ast cooli cooling ng #orm #orm the a$sten a$stenite ite region region (d) All o# o# the abov ld give give a te











!.

(d)) /o (d /one ne o# th thee abo above ve A cod codee o# o# prac practic ticee #or #or vis vis$a $all insp inspec ectio tion n sho$ sho$ld ld cov cover er the #ol #ollow lowing ing''

+.

(a) ,e#o ,e#orere- $ring $ring and and A#ter A#ter weldi welding ng activi activities ties (b) ,e#o ,e#ore re wel welding ding acti activiti vities es onl& (c) A#t A#ter er weld welding ing acti activi vitie tiess onl& onl& (d)) /o (d /one ne o# th thee abo above ve A mag magni# ni#&i &ing ng glas glasss ma& be be $sed $sed d$rin d$ring g vis$a vis$all inspe inspecti ction on b& t&p t&pica icall magni# magni#ica icatio tion n wo$ld wo$ld be' be' (a) (b) (c) (d)) (d

p to 9 Q ! F !. Q 9 F 199 Q /one /o ne o# th thee abo above ve

8.

Which Whi ch o# the the #oll #ollowi owing ng de#e de#ects cts is is $nliDe $nliDel& l& to be be #o$nd #o$nd b& vis$ vis$al al inspe inspecti ction on??

86.

(a) =in =inear ear mi misal salign ignme ment nt (b)) nderc (b rc$ $t (c) "verlap (d) =in =inear ear sla slag g incl$ incl$sio sions ns Which Whic h o# the #ollow #ollowing ing stan standard dardss entitle entitled d Cis$ Cis$al al inspec inspection tion o# #$sio #$sion n welded welded 7oin 7oints? ts? (a) (b) (c) (d)

Tensile 1.

!.

,S 01 ,S ! !@ ,S 1+ ,S 3/ 3/ 009

Tens nsil ilee str stren engt gth h can can be in incr crea ease sed d in in ste steel el b& b&'' (a) Anneal (a) aliing (b)) Ga (b Galv lvan anis isin ing g (c)) Ad (c Addi diti tion on o# o# car carbo bon n (d) asting A tensile test wi will assess'











(a) (b) (c) (d) 8.

Jo$ see a welder Jo$ welder $sing $sing an o2&%ace o2&%acet&le t&lene ne #lame #lame with with a long long #eather #eathered ed inner inner cone. cone. What What wo$ld wo$ld be be the e##e e##ect ct o# this on a carbon steel? (a) (b) (c) (d)

8@.

!.

The temp temperat erat$re $re re<$ re<$ired ired #or c$t c$t initiat initiation ion The abil abilit& it& to c$t c$t Stain Stainless less stee steell Thee depth Th depth o# c$t c$t obta obtaina inable ble /one /o ne o# th thee abo above ve

The #la #lame me temp tempera erat$r t$ree o# o2&  acet& acet&len lenee mi2t$ mi2t$re re gas gas is is give given n as' as' (a) (b) (c) (d)) (d

*atig$e 1.

The weld co$l co$ld d be be hard hard and and brittl brittlee The weld meta metall co$ld co$ld be be too too so#t so#t Theree will Ther will be no e##ec e##ectt on the weld weld Thee weld Th weld will will have have $nderc $nderc$t $t

"2& pre press$ ss$re re and and noE noEEle Ele siE siEee wo$ld wo$ld in# in#l$e l$enc ncee what what in #lam #lamee c$tti c$tting ng'' (a) (b) (c) (d)) (d

9.

"2&gen%#$el gas "2&gen%#$el gas c$tting is essentiall& essentiall& an an o2idiEation o2idiEation thermal thermal c$tting c$tting process process "2&gen% "2& gen%#$el #$el gas gas c$tting is essenti essentiall& all& a melting melting process process The onl& #$el gas $sed is acet& acet&lene lene ;ropane is the the pre#erred pre#erred #$el gas in o2&gen%# o2&gen%#$el $el gas c$tting c$tting as it prod$ces prod$ces hotter #lame

+!99>  !+99>  999> /one /o ne o# th thee abo above ve

*attig *a ig$e $e te test stin ing g is $se sed d to to te test we weld lds' s' (a) n nde derr c&c c&clic lic loa loadin ding g (b) n nde derr creep creep stres stresss loadin loading g (c) n nde derr im impa pact ct loa loadin ding g (d) n nde derr stat static ic loa loadin ding g A #ati #atig$ g$ee #ail$r #ail$ree is cha charac racter terist istic ic b& the app appea earan rance ce o# o# the #ra #ract$ ct$re re s$r# s$r#ac ace. e. It wo$ wo$ld ld be' be'













!.

(d) Te Tensile nsile stressstress- deo2idiEed deo2idiEed parent parent plateplate- poor poor thro$gh thro$gh thicDness thicDness d$ctilit& d$ctilit& What is lamellar tearing?

+.

(a) Strain Strain cracDing cracDing at the edg edgee o# bend bend test test specime specimen n (b) A t&pe t&pe o# cracD occ$rring in the parent parent material is associated associated with with poor thro$gh thro$gh thicDness thicDness d$ctilit& d$ctilit& especiall& when large #illet welds or tee b$tt 7oints are made on the material (c) A t&pe t&pe o# cracD #o$nd in welds welds which have have $ndergone $ndergone several several thermal thermal c&cles either either d$ring welding or or ;WT (d) It is another another name name #or a plate plate lamination lamination ca$sed ca$sed d$ring d$ring plate or pipe man$#ac man$#act$re t$re =amellar =ame llar tea tearing ring has occ occ$rre $rred d in a steel steel #abr #abricati ication. on. ,e# ,e#ore ore weld welding ing co$ co$ld ld it it have have bee been n #o$nd #o$nd b&' (a) (a) (b)) (b (c) (d)

!.

=amellar tearing' (a) (b) (c) (d)) (d

old lap

R%ra& R%ra & e2am e2amin inat atio ion n &ee pe & pene netr tran antt ltras lt rason onic ic ins inspe pecti ction on It wo$ld wo$ld not have have been #o$nd #o$nd b& an& an& inspecti inspection on method method

"nl& occ$ occ$rs rs in the rolle rolled d directio direction n o# a parent parent materia materiall Is a A5 t& t&pe pe o# o# t&pe t&pe o# o# cracD cracD Is anoth another er term term #or #or a lamina laminatio tion n Alll o# Al o# the the ab abov ovee











(c) !169 DN (c) DN  mm (d) +6 DN  mm Mechanical test 1.

!.

,end test spec specime imens ns have have been taDe taDen n #rom #rom a !m !mm m thicD thicD carbo carbon n steel steel b$tt b$tt weld. weld. Whic Which h wo$ld wo$ld show lacD o# inter%r$n #$sion' (a) Side be bend (b)) oot be (b bend (c)) *a (c *acce bend (d)) G$ (d G$id ided ed be bend nd Inte In tern rnal al lac lacD D o# o# #$si #$sion on de de#e #ect ctss can can be be nor norma mall ll& & #o$ #o$nd nd b& b& $si $sing ng'' (a) (a) (b)) (b (c)) (c (d)) (d

6.

;ene ;e netr tran antt test testin ing g Impact Impa ct te test stss Side Si de be bend nd te test st ard a rdne ness ss tes testt

In a bend bend testtest- the the #ace #ace o# the spec specimen imen is is in tensio tension n and root is is in compr compressi essionon- the the t&pe t&pe o# test test being being carrie carried d o$t wo$ld be' (a) A ro (a) root ot be bend nd te test st (b)) A side (b side be bend nd te test st











1.

A we weld lder er <$ <$al ali# i#ic icat atio ion n te test st is to ver eri# i#& &' (a) (a) (b) (c) (d)

SDilll o# SDil o# the the we weld lder er Thee <$alit Th <$alit& & o# the the mater material ialss The non non%des %destr$c tr$ctive tive test proc proced$r ed$res es Thee man$#a Th man$#act$ ct$rin ring g metho method d

e#ect 1.

A planar de#ect is'

!.

(a) Inc Incom omple plete te #$sio #$sion n de#ec de#ects ts (b)) Sl (b Slag ag in incl cl$s $sio ion n (c) Inc Incom omple plete te pen penetr etrati ation on (d)) ,oth A O  (d e#ec e# ects ts o$ts o$tside ide o# the the lim limits its spe speci# ci#ied ied in a stan standa dard rd sho sho$ld $ld alw alwa&s a&s be be''

+.

(a) epaired (b) epo eported rted to a Kseni Ksenior or pers personL onL (c)) a (c adi dio o gra graph phed ed (d)) Al (d Alll o# o# the the ab abov ovee KStra& KSt ra& arc arcing ingLL ma& ma& be reg regard arded ed as a seri serio$s o$s de de#e #ect. ct. Th This is is be beca ca$se $se''











(d) "n "nl& l& e2 e2it it s$b s$b%s %s$#a $#ace ce Str$ct$re @6.

The hard hardest est gra grain in str$c str$ct$re t$re cap capable able o# being being prod prod$ce $ced d when when wel welding ding Mn ste steel el is' is'



e ,ainite # A$stenite g ;earlite h Martensite Whic Wh ich h o# o# the the #o #oll llow owin ing g ste steel el st str$ r$ct ct$r $res es ha hass the the hi high ghes estt hard hardne ness ss''

6

a Martensite b A$stenitic c *erritic d Alll hav Al havee the the sa sam me har hardn dnes esss The e2 e2ten tentt o# o# the the ch chang anges es in mic micros rostr$ tr$ct$ ct$re re wil willl depe depend nd on the #o #ollo llowi wing ng''

8

a Mat ateeria iall com omp posit itio ion n b eat inp$t c The rate o# cooling d All o# the above A la larg rgee gra grain in st str$ r$ct ct$r $ree in in ste steel elss sai said d to to pro prod$ d$ce ce'' a

=ow d$cti tili lit& t& val$ l$ees











1.

Which Whi ch o# the #o #ollo llowin wing g wo$l wo$ld d show show as lig light ht ind indica icatio tions ns on a rad radiog iograp raph? h?

@@.

(a) Slag incl incl$sio $sions ns and and copp copper er incl$s incl$sions ions (b) T$ T$ngst ngsten en incl$sio incl$sions ns and e2cessiv e2cessivee penetratio penetration n (c) a ap p $nde $nderc$ rc$tt and and root root pipi piping ng 32cessiv 32ce ssivee cap cap height height and incom incomplet pletee penetra penetration tion An IPI IPI wo$ld wo$ld be be $sed $sed in radio radiogra graph& ph& to to assess assess'' (a) (a) (b)) (b (c)) (c (d)

199.

Imagee <$a Imag <$ali lit& t& T&pe T& pe o# st stee eell ens e nsit& it& o# gr grap aph h T&pe T& pe o# o# weldi welding ng proc process ess $sed

In R%ra& R%ra& the <$ali <$alit& t& o# radi radiogr ograph aphic ic negati negative ve is is assesse assessed d b& the' (a) (a) (b)) (b (c)) (c (d)

ens e nsit& it& o# th thee #ilm #ilm IPI In IPI Indi dica cato tor r CA C A av avai aila labl blee Stand Sta nd F o## o## dis distan tance ce

egrease 1.

The main main reaso reason n degrea degreasing sing age agents nts sho$ sho$ld ld alwa& alwa&ss be drie dried d #rom #rom metals metals prio priorr to weld weldinging- is beca beca$se $se the& are liDel& to'













19!.

;re%heati ;re%h eating ng a carbon carbon steel steel man$a man$all metal arc arc welding welding is carrie carried d o$t to minim minimiEe iEe the the risD o#' o#' (a) (a) (b) (c) (d)

arden 1.

Scat Sc atte tere red d poro porosi sit& t& Worm ho Worm hole le po poros rosit& it& ;aren ;ar entt me metal tal cra cracD cDing ing =acD =ac D o# pe pene netra tratio tion n

Which Whic h o# the #ol #ollowin lowing g chemi chemical cal elem elements ents has the gre greater ater e## e##ect ect on the hard hardenab enabilit& ilit& o# a stee steell plate? plate?











19.. 19

Which Whi ch o# o# the the #ollo #ollowin wing g is not not a #$si #$sion on weld welding ing pro proces cess' s' (a) (a) (b) (c)) (c (d)) (d

entreline 1.

Thermi Ther mitt we weld ldin ing g 3lectr 3le ctro o slag slag we weldi lding ng =ase =a serr wel weldi ding ng *ric *r icti tion on wel weldi ding ng

Jo$ Jo $ ob

terline terl ine

Ding in a weld that has bee

de at at one one o# #ive worD stati

ach maD maDing ing simila simila











5

1.

To ,S 0@@ 0@@ pa part rt !!- whic which h o# o# the the #oll #ollow owing ing is tr$ tr$ee #or #or a weld welding ing s&m s&mbol bol'' (a) This or or arrow side side o# the the 7oint 7oint goes on on top o# the the re#erenc re#erencee line (b) This or arrow arrow side side o# the 7oint 7oint goes below below the re#ere re#erence nce line line (c) This or aarrow rrow side o# the 7oint 7oint goes in the middle middle o# the the re#erence re#erence line











(b) =aps (c)) old sh$t (c $tss (d) Ins Ins$## $##ici icien entt pe pene netra tratio tion n

CSWIP 3.1 Exam Question and Answers

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