cswip wis 4.doc

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WELDING INSPECTION, STEEL WIS 5MULTI CHOICE QUESTION PAPER ( MSR WI 4)

Answer a !"es#$%n

&' Dereas$n %*+%nen#s are essen#$a %r !"a$#- we.$n /"# w0enwe.e. s%*e aen# *a- 1

a' Ca"se %rr%s$%n +r%/e*s/' Lea2e res$."es' G$2e % #%3$ aesd. All of the above

' Ce"%se ee#r%.es are %#en "se. %r #0e .e+%s$#$%n % a r%%# +ass %n+$+es we.e. $n #0e $e.' T0$s $s /ea"se

a' H-.r%en %n#r% $s re!"$re./' T0e 0$0 .e+%s$#$%n ra#e ."e #% #0e $r%n +%w.er %n#en#c. The hydrogen gas produced in the flux increases the arc voltage.' A % #0e a/%2e

6' In #0e we.$n % a"s#en$#$ s#a$ness s#ees, #0e ee#r%.e an. +a#e

*a#er$as are %#en s+e$$e. #% /e %w ar/%n %n#en#' T0e reas%n %r#0$s1

a' T% +re2en# #0e %r*a#$%n % ra7s $n #0e 0a8b. To prevent the formation of chromium carbides' T% +re2en# ra7$n $n #0e we..' M$n$*$8e .$s#%r#$%n

4' W$#0 rear.s #% a we.$n +r%e."re, an essen#$a 2ar$a/e *a-1a' C0ane #0e +r%+er#$es % #0e we./' In"ene #0e 2$s"a ae+#ane' Re!"$re re9a++r%2a % a we. +r%e."red. All of the above

5' W0$0 % #0e %%w$n NDT *e#0%.s an %n- .e#e# s"rae /rea7$n.ee#s

a' MPIb. DPI' UT.' RTe' :%#0 a an. /

;' W0$0 % #0e %%w$n .ee#s w%". s0%w "+ as $0# $n.$a#$%ns %n ara.$%ra+0

a' Sa $n"s$%ns an. %++er $n"s$%nb. Tungsten inclusions and excessive root penetration' Ca+ "n.er"# an. r%%# +$+$n.' E3ess$2e a+ 0e$0# an. $n%*+e#e r%%# +ene#ra#$%n


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a' T0e "se % +a#e *a#er$as %n#a$n$n %w e2es % $*+"r$#$es/' T0e "se % /"##er$n r"ns' P%s# we. s#ress re$ed. Both a and be' A % #0e a/%2e

>' W0en %ns$.er$n ra.$%ra+0- "s$n 39ra-, w0$0 % #0e %%w$n#e0n$!"es $s *%s# $7e- #% /e "se. %r a +$+e #% +$+e

we.($r"*eren#$a sea*), ;&?** .$a*e#er w$#0 n% $n#erna aessa' SWSIb. DWI' DWDI.' SWSI9+an%ra*$'

&?' A /aane. we.$n #e0n$!"e %r e3a*+e /a7 s#e+ we.$n $s*%s# %#en "se. %r1

a' C%n#r%$n a*ear #ear$n/' Inreas$n we. #%"0ness' Re."$n we. 8%ne 0ar.nessd. !educing distortion

&&' :as$ %a#e. ee#r%.es 0a2e w0$0 % #0e %%w$n +r%+er#$esa' "igh mechanical properties may be used to produce #elds of high

deposition rates and to produce #elds of lo# hydrogen content'/' @r$a/e sa, 0$0 *e0an$a s#ren#0 an. #% +r%."e we.s % a

%w 0-.r%en %n#en#' L%w 0-.r%en %n#en# we.s, %%. s#%+s#ar# +r%+er#$es an. 0$0

s#ren#0.' L%w ar/%n %n#en# we.s, r$a/e sa an. 0$0 s#ren#0

&' On a ra.$%ra+0, #0e *%s# $7e- a++earane % a7 % r%%# "s$%n%n a s$ne92 /"## we. $s 1

a. A dar$ straight line #ith a light root

/' A .ar7 r%%# w$#0 s#ra$0# e.es' A .ar7 "ne2en $ne %%w$n #0e e.e % #0e r%%#.' N%ne % #0e a/%2e a7 % r%%# "s$%n an n%# /e seen %n a

ra.$%ra+0

&6' W0a# .% -%" "n.ers#an. /- #0e #er* *$n$*"* $n#er+ass#e*+era#"re

a' M$n +%s# we. 0ea# #rea#*en# a++$e. #% a we./' M$n s#ress re$e #e*' T0e %wes# #e* #% /e "se. ."r$n +re0ea#d. The lo#est tem allo#ed during #elding and bet#een #eld passes

&4' W0$0 % #0e %%w$n $s a++$a/e #% a +a#e a*$na#$%na' T0e- are /es# .e#e#e. /- ra.$%ra+0-/' T0e- are *a$n- a"se. /- 0-.r%en en#ra+*en#c. They originate in the parent material.' T0e- are a"se. w0en we.$n s#resses a# +arae w$#0 #0e r%e.

.$re#$%n % #0e +aren# +a#e&5' W0$0 % #0e %%w$n NDT *e#0%.s w%". /e #0e eas# ee#$2e %n

an a"s#en$#$ s#ee /"## we.

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a' UT/' RT' DPId. %PI

&;' T0e 0ar.es# +ar# % a *"#$9+ass we.e. B%$n#, ass"*$n n% +%s#we. 0ea# #rea#*en# 0as 0a2e #a7en +ae $s 1

a. The "A& of the cap

/' T0e HA % #0e r%%#' T0e r%%#.' T0e a+

&


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' Are re%**en.e. %r "se w0ere +%r%s$#- ree we.s are re!"$re..' Are %n- s"$#a/e %r we.$n $n #0e a#, 2er#$a, an. .%wn 0an.

+%s$#$%n4' Ce"%se ee#r%.es 0a2e w0$0 % #0e %%w$n +r%+er#$es

a' $s%"s sa, are 2%"*es % s0$e.$n as an. UTS 2a"es a/%2e>?,??? PSI

b. arge volumes of shielding gas, hydrogen contents/01 ml per 0++g

of #eld metal deposited and should be never ba$ed' Lare 2%"*es % s0$e.$n as, 0$0 s+a##er %n#en#s an. 0-.r%en

e2es &5 * +er &?? % we. *e#a .e+%s$#e..' H$0 s+a##er %n#en#s ,0$0 .e+%s$#$%n an. are 2%"*es % as

s0$e.5' @r%* #0e %%w$n ee#r%.e %.$n E5? 4 : &;? ? H5, #0e

%*+"s%r- +ar# $s1a' E5? 4 / &;? ? 05/' : &;? ? 05c. (1+ 2 B.' N%ne % #0e a/%2e

;' W0$0 % #0e %%w$n $s a++$a/e #% ee#r%.e e$$en-a' T0e *ass % *e#a .e+%s$#e. as a +eren#ae % #0e *ass %re w$re

*e#e./' Ir%n +%w.er ee#r%.es 0a2e e$$en$es a/%2e &??F' Ee#r%.es % 0$0 e$$en$es #en. #% +r%e."re we.s % a s*%%#0

a# +r%$e

d. Both a and be' A % #0e a/%2e


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QUESTION PAPER (MSR9AWI9&)

&' W0a# $s #0e ra#$% /e#ween #0e en#0 an. #0e .es$n #0r%a# #0$7ness %na *$#re $e# we. w$#0 e!"a e en#0s

a' &1&/' 1&

c. 0.20230.' I# .e+en.s %n #0e $e# we.s .$*ens$%ns an. $# "+ re!"$re*en#s

' W0a# $s #0e e en#0 % a $e# we.a' T0e .$s#ane r%* #0e #%e #% ae/' T0e .$s#ane r%* #0e r%%# #% ae en#erc. The distance from the root to the toe.' T0e .$s#ane r%* #0e #%e #% #%e

6' W0- $s #0e ar s0$e.e., w0en "s$n an ar we.$n +r%essa' T% e$*$na#e 0-.r%en r%* #0e ar/' T% re#ar. #0e %%$n ra#e % #0e s%$.$-$n *e#a

c. To excluded the atmosphere from the arc region.' T0e ar $s n%# awa-s s0$e.e. w0en "s$n an ar we.$n +r%ess

4' W0$0 % #0e %%w$n $s a++$a/e %r a n%ne +anar .ee#sa' T0e- are awa-s re+a$re./' T0e$r e3$s#ene w$ res"# $n #0e re*%2a % #0e en#$re we.c. They are not usually as significant as planar defects.' T0e- an %n- /e .e#e#e. "s$n ra.$%ra+0-

5' La*ear #ear$n $s1a' A +r%."# .ee# a"se ."r$n #0e *an"a#"r$n % er#a$n s#eesb. A crac$ type, #hich occurs in the parent material due to #elding

strains acting in the short transverse direction of the parent

material' A #-+e % 0%# ra7 ass%$a#e. w$#0 $*+"r$#$es(s"+0"r, ar/%n, an.

+0%s+0%r%"s).' A #-+e % ra7 #0a# %"rs $n #0e we. %r +aren# *a#er$a ."e #%

-$ s#resses;' T0e we. 8%ne ass%$a#e. w$#0 a we.e. B%$n# $s 1

a. Weld metal, "A& and the parent material in the immediate vicinity/' We. *e#a %n-' T0e we. *e#a +"s +aren# *a#er$a.' HA an. +aren# *a#er$a


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/' T0e we. $s #% /e *a.e "n.er %ns#an# s"+er2$s$%n % a !"a$$e.we.$n $ns+e#%r

c. Welding to be carried out on site4field #eld5.' T0e we. *"s# /e s"/Be#e. #% NDT

>' A"s#en$#$ s#a$ness s#ee an /e rea.- $.en#$$e. /-1a. ac$ of magnetic attraction/' I#s e3#re*e 0ar.ness

' er- s0$nn- a++earane.' N%ne % #0e a/%2e

&?' W0$0 % #0e %%w$n $s $7e- #% /e %ns$.ere. an essen#$a2ar$a/e %n a we.$n +r%e."re

a' A 0ane r%* an ee#r%.e ass$$e. #% AWS E;?&& #% an ee#r%.eE;?&

/' A 0ane $n +re0ea# #e* r%* 5?% #% &5?%' A 0ane $n we.$n +%s$#$%n r%* +a #% +d. All of the above

&&' W0$0 % #0e %%w$n $s a++$a/e $ #0e 0ea# $n+"# #% 0$0 ."r$n#0e .e+%s$#$%n % a we. *a.e "s$n #0e MMa we.$n +r%ess

a. o# toughness/' H$0 s"se+#$/$$#- #% 0-.r%en en#ra+*en#' H$0 0ar.ness'.' H$0 s"se+#$/$$#- #% a7 % "s$%n

&' W0$0 % #0e %%w$n w$ $n"ene #0e a*%"n# % .$s#%r#$%n %n a%*+%nen# ."r$n an. a#er we.$n

a' Hea# $n+"#/' La7 % res#ra$n#c. %aterial properties.' :%#0 a an. /e' A % #0e a/%2e

&6'w0en we.$n w$#0 #0e MIG we.$n +r%ess "s$n +"re ar%n as #0es0$e.$n as %n ar/%n s#ee, w0$0 % #0e %%w$n +r%/e*s are $7e- #%%"r

a' C%++er $n"s$%ns an. e3ess$2e a+ 0e$0#s/' E3ess$2e r%%# +ene#ra#$%n an. +%r%s$#-' Sa $n"s$%ns an. ra#er +$+ed. ac$ of fusion and poor cap profiles&6' I# $s a re!"$re*en# #% e3a2a#e a ra7 $n a we.e. %*+%nen# #0e

.ee# $s a# eas# 5 ** .e+#0, w0$0 % #0e %%w$n w%". -%" e3+e##% /e .%ne #% re*%2e #0e .ee#

a' Ar a$r, r%"n. $n$s0 an. 0e7e. w$#0 ra7 .e#e#$%n/' T0er*a %"$n, r%"n. $n$s0 an. 0e7 w$#0 MPI' O3-9as "##$n, r%"n. $n$s0 an. 0e7e. w$#0 ra7 .e#e#$%nd. Both a and be' A % #0e a/%2e

&4' T0e 0ea# ae#e. 8%ne ass%$a#e. w$#0 a "s$%n we.a' Us"a- 0as #0e 0$0es# #ens$e s#ren#0/' Awa-s e3$s#s $n a "s$%n9we.e. B%$n#' Is "s"a- #0e area % a we.e. B%$n# #0a# $s #0e *%s# s"se+#$/e #%

HICC

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d. All of the above&5' W0$0 % #0e %%w$n we.$n +r%esses w%". /e #0e *%s# s"$#e.

%r #0e we.$n % ar/%n s#ee $n e3ess % &?? ** #0$7nessa' T"ns#en $ner# asb. (lectro)slag' Man"a *e#a ar.' Pas*a ar

&;' A we.$n +r%ess w0ere #0e we.$n +an# %n#r%s #0e #ra2e s+ee.an. ar a+, /"# "n.er #0e %ns#an# s"+er2$s$%n "s$n a s0$e.$n as*$3#"re % =?F ar%n ?F ar/%n .$%3$.e $s #er*e. as 1

a' A *an"a MAG +r%ess/' A se*$ a"#%*a#$ MAG +r%essc. A mechani6ed %I7 process.' a *e0an$8e. MAG +r%ess

&' Genera- #0e *%s# s"$#a/e *e#0%. % .e#e#$n a7 % s$.ewa"s$%n %n a s$ne 2 /"## we. (6?%#% 65%/e2e anes) w%". /e1

a. -ltrasonic testing

/' Ra.$%ra+0$ #es#$n' Mane#$ +ar#$e #es#$n.' :%#0 a an. /e' A % #0e a/%2e

?' U#ras%n$ #es#$n $s +reera/e #% ra.$%ra+0$ #es#$n ."e #%a' A/$$#- #% $n. a .ee#s/' L%wer a*%"n# % %+era#%r s7$ re!"$re.c. Ability to detect laminations.' N%ne % #0e a/%2e

&' La*ear #ear$n 0as %"rre. $n a s#ee a/r$a#$%n /e%re we.$n %".,w0$0 % #0e %%w$n #es# *e#0%.s %". 0a2e .e#e#e. $#

a' Ra.$%ra+0$ #es#$n/' U#ras%n$' Mane#$ +ar#$ed. It could not be found by any testing method

' In%*+e#e r%%# +ene#ra#$%n $s *%s# $7e- ."e #% 1a' We.$n s+ee. #%% s%w/' We.$n "rren# #%% 0$0c. !oot gap too small.' Ee#r%.e .$a*e#er #%% s*a

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4' %" are #% %2ersee #0e ar we.$n % s%*e *a0$ne. $##$ns an. #0a# #0e-are a.*$"* +a#e.' W0a# w%". -%" .% $n #0$s s$#"a#$%n

a' Per*$# #0e we.$n #% +r%ee./' Per*$# #0e we.$n #% +r%ee. w$#0 "*e e3#ra#$%nc. top the operation at once.' A.2$se #0e we.ers #% .r$n7 *$7 #0en +r%ee.

5' On a s$ne /"## we., #0e .$s#ane #0r%"0 #0e en#er % #0e we. r%*

r%%# #% ae $s ae.1a' Re$n%re*en#/' Pene#ra#$%nc. Throat thic$ness.' N%ne % #0e a/%2e

;' W0$0 % #0e %%w$n a*e #-+es w%". -%" e3+e# #% /e "se. %r #0e"##$n % *$. s#ee

a' Car/"r$s$n a*e/' O3$.$8$n a*e' Re."$n a*ed. 8eutral flame


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' w0a# $s #0e e en#0 % a $e# we. a' #0e .$s#ane r%* #0e #%e #% ae/' #0e .$s#ane r%* #0e r%%# #% ae en#rec. the distance from the root to the toe.' #0e .$s#ane r%* #0e #%e #% #%e

6' w0a# $s #0e #0r%a# #0$7ness % a $e# we. ( e!"a e en#0 ) a' #0e .$s#ane r%* #0e #%e #% #0e ae

b. the distance from the root to the face centre' #0e .$s#ane r%* #0e r%%# #% #0e #%e.' #0e .$s#ane r%* #0e #%e #% #%e

4' a+ B%$n#s %n#a$n 1a. fillet #eld/' %rner B%$n#' /"##9we..' s$ne9/e2e /"##s

5' a ."#- n%# n%r*a- "n.er#a7en /- a we.$n $ns+e#%r $s #% 1a' 0e7 #0e %n.$#$%n % #0e +aren# *a#er$a/' 0e7 #0e %n.$#$%n % #0e %ns"*a/es

c. measure residual stress.' 0e7 a$/ra#$%n er#$$a#e.

;' "n.er *%s# %n.$#$%ns, w0$0 % #0e %%w$n we.$n +%s$#$%ns w$ .e+%s$##0e *%s# we. *e#a'

a' 2er#$a .%wn/' %2er0ea.' 0%r$8%n#a92er#$a.' flat 4 do#n hand)

' #0e s#ren#0 $ #0e $e# we. $s +r$*ar- %n#r%e. /- 1

a' e en#0b. throat thic$ness' we. #0$7ness.' a % #0e a/%2e

&?' a ra#er ra7 *a- as% /e #er*e. 1a' %. ra7/' #ear$n' a#$"e ra7d. star crac$

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&&' w0$0 % #0e %%w$n we.$n +r%esses #e0n$!"e $s $7e- #% /e "se. %r#0e re+a$r we.$n % %a$8e. +%r%s$#- $n a /"## we.

a' MMA, PG +%s$#$%n/' Me0an$se. MAG' S"/*ere. ar.' A % #0e a/%2ee. 8one of the above

&' ' w0$0 % #0e %%w$n we.s w%". /e %ns$.ere. $n a s$#"a#$%n w0ere#w% +a#e are #% /e B%$ne. #0a# %2era+ ( ass"*e n% e3#erna assess )

a' a $e# we./' a s$ne /e2e /"## we.c. a plug #eld.' a s$ne U /"## we.

&6' $n #0e MMA we.$n +r%ess, ' w0$0 % #0e %%w$n $s *%s# $7e- #% /ea"se. /- a we.er w$#0 a +%%r #e0n$!"e

a. deep #eld craters: crater crac$s/' %++er $n"s$%ns

' 0-.r%en ra7s.' a % #0e a/%2e

&4' r%%# %na2$#- $s a"se. /- 1a' e3ess$2e /a7 +"re +ress"re an. en#ra++e. as/' e3ess$2e /a7 +"re +ress"re an. 2er- 0$0 0ea# $n+"#s' e3ess$2e r%%# r$n.$n an. a s%w #ra2e s+ee.d. excessive root grinding and excessive bac$ purge pressure

&5'w0en $ns+e#$n a r$#$a %*+%nen#, #0e #%es % a we. *"s# /e 1a' awa-s r%"n. "s0/' *"s# awa-s %2era+ a# eas# &'5 ** %n#% #0e +aren# *a#er$a' *"s# awa-s /e $ns+e#e. "s$n a ra7 .e#e#$%n *e#0%. ( MPI, DPI5

d. none of the above can be selected) specification re'uirements&;' w0en arr-$n %"# 2$s"a $ns+e#$%n, #0e s+e$$a#$%n *a7es n% *en#$%n %#0e re!"$re*en#s %r 2$s"a $ns+e#$%n, $n #0$s s$#"a#$%n w0a# s0%". -%" .%

a' arr- %"# n%r*a 2$s"a $ns+e#$%nb. see$ advice from higher authority' arr- %"# n% 2$s"a $ns+e#$%n.' re9 wr$#e #0e re!"$re*en#s % #0e s+e$$a#$%n

&' $n an ar we.$n +r%ess, w0$0 % #0e %%w$n $s #0e %rre# #er* "se.%r #0e a*%"n# % we. *e#a .e+%s$#e. +er *$n"#e

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a' $$n ra#eb. deposition rate' we. .e+%s$#$%n.' we. ."#- -e

?' w0a# $s #0e #er* $2en %r #0e area % a we.er B%$n# B"s# %"#s$.e #0e we.*e#a #0a# 0as "n.er%ne *$r% s#r"#"ra 0ane

a. heat affected 6one

/' #0e we. 8%ne' "s$%n 8%ne.' a % #0e a/%2e #er*s *a- /e "se.

&' w0en arr-$n %"# 2$s"a $ns+e#$%n, w0$0 .ee# (s) $s $7e- #% /e*$sse.

a' $near *$sa$n*en#/' a+ "n.er"#' +%r%s$#-d. lac$ of fusion 4 inter run 5

' %. a++$n $s an%#0er #er* %r 1

a. lac$ of fusion at the toe of a #eld/' a7 "s$%n /e#ween we. *e#a an. we. *e#a' "n.er"# a# #0e #%e % a we..' /%#0 a an. /

6' $n%*+e#e r%%# +ene#ra#$%n $s *%s# $7e- ."e #% 1a' we.$n s+ee. #%% s%w/' we.$n "rren# #%% 0$0c. root gap too small.' ee#r%.e .$a*e#er #%% s*a

4' ra#er ra7 $s are a"se. *a$n- /- 1a' e3ess$2e- as# we.$n s+ee.s

/' $*+r%+er ee#r%.e anec. hot shrin$age.' $*+r%+er B%$n# .es$n

5' %n a s$ne9 /"## we., #0e .$s#ane #0r%"0 #0e en#er % #0e we. r%*r%%# #% ae $s ae. 1

a' re$n%re*en#/' +ene#ra#$%nc. throat thic$ness.' n%ne % #0e a/%2e

;' #0e #0r%a# #0$7ness % a $n0 $e# we. $s a'


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=' w0$0 % #0e %%w$n /"## we. +re+ara#$%ns $s *%s# $7e- #% /e%ns$.ere. %r #0e we.$n % a ;** #0$7 +a#e

a' .%"/e /"##/' as-**e#r$a .%"/e /"##' s$ne U /"##d. single ' a we.$n $ns+e#%rs *a$n a##r$/"#es $n".e 1

a' 7n%we.e/' 0%nes#- an. $n#er$#-' %%. %**"n$a#%rd. all of the above

6?' a %.e % +ra#$e %r 2$s"a $ns+e#$%n s0%". %2er 1a. before, during and after #elding/' /e%re we.$n a#$2$#$es %n-' a#er we.$n a#$2$#$es %n-.' n%ne % #0e a/%2e

MSR9WI96

&' T0e $7e$0%%. % a /r$##e ra#"re $n s#ees w$ $nrease w$#0 1a' #0e %r*a#$%n % a $ne ra$n s#r"#"reb. a reduction in)service tem to sub)6ero conditions' a s%w %%$n ra#e.' a % #0e a/%2e

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15/37

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20/37

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22/37

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24/37

.' +%r%s$#-6?' a %.e % +ra#$e $s 1

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END O@ COURSE MULTI CHOICE PAPER (MCQ'??)&''6' W0a# #w% "n#$%ns $n ar we.$n *"s# /e $n e!"$$/r$"* #% ena/e a s#a/ear #% /e es#a/$s0e.

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25/37

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b. Been heat)treated' :een !"a$#- #es#e..' :een 2a""* *e#e.

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a' H-.r%en %n#r% $s nee.e.

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c. (lectron beam #elding.' A"#%en%"s- TIG we.$n

;' In r$#$%n we.$n, $s #0e *e#a a# #0e $n#erae $n #0ea' $!"$. s#a#e/' S%$. s#a#ec. Plastic state.' Eas#$ s#a#e


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a' ar .e2$a#$%n/' ar *$sa$n*en#c. arc blo#.' s#ra- ar

4' a ra7 #-+e *%s# ass%$a#e. w$#0 #0e s"/*ere. ar we.$n +r%ess $s 1a' 0-.r%en ra7$n $n #0e HAb. solidification crac$ing

' a*ear #ear$n.' a#$"e ra7$n

5' w0$0 % #0e %%w$n +r%esses B%$n#s *e#as +as#$a-a. friction #elding/' res$s#ane we.$n' ar we.$n.' +as*a we.$ne' a % #0e a/%2e

;' w0a# #-+e % +%wer s%"re 0ara#er$s#$ $s re!"$re. %r a *an"a +r%ess

a' %ns#an# 2%#ae/' a# 0ara#er$s#$c. drooping characteristic.' n%ne % #0e a/%2e


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' a 0ane r%* DC 2e #% DC 2e.' a 0ane r%* DC 9 2e #% DC 2e

&' w0en we.$n a .%"/e9 /"## we. w$#0 #0e s"/*ere. ar we.$n+r%ess #0e +resene % en#er $ne +%r%s$#- *a- /e ."e #% 1

a' .a*+ "3/' %n#a*$na#$%n %n #0e we. +re+ara#$%ns' $n%rre# "3 .e+#0

d. all of the above&6' #0e $n"s$%n % an $n."#ane $n #0e we.$n $r"$# w0en "s$n MIGMAGwe.$n +r%ess $s #%

a. control the rate of patter in the dip transfer mode/' $# ena/es #0e we.er #% we. $n +%s$#$%n w$#0 #0e s+ra- #ranser *%.e' $# a%w %r #0$7er $e# w$res #% /e "se. ( ';96'; ** .$a*e#er ).' $# a%w " %n#r% %2er .r%+e# s$8e $n #0e s+ra- #ranser *%.e

&4' an "n.es$ra/e +r%+er#- % a"*$n"* %3$.e res$."e, w0en we.$n $s #0a# $#1

a' .erease we. +%% "$.$#-b. re'uire more heat to melt it #hen compared to aluminum

' a"se #0e we.er #% #ra2e #% !"$7-.' #0e +resene % #0e %3$.e *a7es a"*$n"* $*+%ss$/e #% we.

&5' w0$0 % #0e %%w$n we.$n +r%ess $s *%s# $7e- #% /e "se. %r #0ewe.$n % a s*a .$a*e#er s#a$ness s#ee +$+e, ;** wa #0$7ness

a. 7TAW/' SMAW' GMAW.' S"/*ere. ar we.$n

&;' w0en %ns$.er$n #0e #"ns#en ar we.$n +r%ess w0a# $s #0e +"r+%se %#0e .%wn9s%+e (s%+e9%"# ) %n#r%

a' ens"re %%. +ene#ra#$%n

/' #% +re2en# ar s#r$7$n %n #0e +aren# *a#er$ac. to help prevent the formation of crater pipe and possible crac$ing.' #% 0e+ +re2en# #"ns#en $n"s$%ns ."r$n we.$n

&


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' a "rren#, w0$0 re*a$ns a*%s# %ns#an# e2en $ as "s"a #0e we.er,2ar$es #0e ar a+

d. a and be' a % #0e a/%2e

?' ' w0$0 % #0e %%w$n we.$n +r%ess, a#er #0e we. $s %*+e#e.n%r*a- re!"$re a +%s# we. 0ea# #rea#*en# #% res#%re #%"0ness 2a"es

a' ESW

/' MMA' MAGd. All completed #elds re'uire a post heat treatment, regardless of

#elding process&' ' w0$0 % #0e %%w$n "rren# #-+es w%". -%" e3+e# #% /e "se. %r #0ewe.$n % a"*$n"* w$#0 #0e TIG we.$n +r%ess

a' DC 2e/' DC 2ec. AC.' A % #0e a/%2e

' ' w0$0 % #0e %%w$n s#a#e*en# $s ase

a' $n #0e MMA we.$n +r%ess ee#r%.e DC +r%."es a .ee+ narr%wwe. +%%, w0$0 $s as# ree8$n

/' DC ee#r%.e +%s$#$2e $s "se. %r #0e MAG we.$n % s#ee +a#e' T0e w%r. a$"* ar/%na#e *eans $*es#%ned. All of the above

6' w0en %ns$.er$n 0-.r%en, w0$0 % #0e %%w$n we.$n +r%ess w%".+r%."e #0e %wes# e2es $n #0e %*+e#e. we. ( "n.er %n#r%e. %n.$#$%ns )

a' MMA/' SAWc. TI7.' @CAW

4' +re90ea# +r$%r #% #0e we.$n % ar/%n s#ee /"## we. 1a' *"s# awa-s #% arr$e. %"#/' $s awa-s arr$e. %"# "s$n a as a*e' nee. n%# /e arr$e. %"# $ +%s# we. 0ea# #rea#*en# $ #% %%wd. none of the above

5' $n s#ee #0e ee*en# w$#0 #0e rea#es# ee# %n 0ar.ness $sa' 0r%*$"*/' *ananesec. carbon.' n$7e

;' %r a $2en 2%#ae an. "rren# se##$ns %n a MMA we.$n +an#, w0en #0ear en#0 $s s0%r#ene., w0$0 % #0e %%w$n w$ /e *%s# ae#e.

a. the current #ill increase/' #0e "rren# w$ .erease' #0e 2%#ae w$ .erease.' #0e 2%#ae w$ $nrease

< w0$0 % #0e %%w$n /es# .esr$/es a se*$9a"#%*a#$ we.$n +r%ess a' #0e we.er $s res+%ns$/e %r #0e *a$n#a$n$n #0e ar a+ an. #ra2e

s+ee.

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/' the #elder is responsible for travel speed onlyF arc gap is $eptconstant by the #elding plant

' /%#0 #ra2e s+ee. an. ar a+ $s %n#r%e. /- #0e we.$n +a#e.' a % #0e a/%2e

=' w0a# $s +"r+%se % a re#$$er $n a we.$n sa#es ee#r$a $r"$# a' #% 7ee+ #0e ar s#a/e w0en "s$n %w "rren# se##$nsb. to convert AC current to DC current

' #% %n2er# DC "rren# #% AC "rren#.' #% $n$#$a#e #0e ar a# s#ar# "+

>' w0en a$/ra#$n a *e0an$8e. MAG we.$n +an#, w0$0 % #0e %%w$na++$es (WS@ w$re ee. s+ee.)

a' 0e7 W@S, "rren#, 2%#s an. w$re .$a*e#er/' 0e7 W@S , B%$n# se# "+, as %w ra#e an. W@Sc. chec$ < gas flo# rate, stic$ out length, W9 and current.' a % #0e a/%2e

6?' #0e *a$n "sae % #0e ar a$r +r%ess $s 1a' #0e "##$n % we. +re+ara#$%nb. the removal of defective #elds

' %r #0e "##$n % n%n9err%"s *a#er$as %n-.' %r #0e "##$n % err%"s *a#er$as %n-

@INAL ASSESMENT MULTIPLE9CHOICE QUESTIONCSWIP 6'& WELDING INSPECTOR COURSE

M-9 ??&ALL THE QUESTIONS TO :E ATTEMPTED

EAM TIME 1 6? MINUTES

&'w0$0 % #0e %%w$n .%es n%# %n#r$/"#e #% 0-.r%en ra7$n 1a' e3#erna %res %n #0e we.*en#' a*%"n# % 0-.r%en $n #0e we..' res$."a s#resses $n #0e we.e' s$8e an. en#0 % $near .$s%n#$n"$#$es

' %r #0e ar a$r ar/%n "##$n +r%ess #0e a$r $sa' Use %r %%$n #0e ee#r%.e %n-' +r%."e. #0r%"0 #0e 0e*$a rea#$%n % #0e ee#r%.e an. #0e /ase

*e#a.' s"++$e. #0r%"0 a$r +%r#s $n #0e ee#r%.e 0%.er an. .$re#e. a%n

#0e ee#r%.ee' s"++$e. /- an%#0er #%r0 as% /- %#0er %+era#%r

6' ae#-ene 0%ses are .$s#$n#- .$erene r%* %3-en 0%ses' W0- a' /ea"se #0e $n#erna .$a*e#ers % #0e #w% are .$eren#'/' /ea"se % %+era#$n +ress"re .$erenes /e#ween "e as an.

%3-en' ae#-ene a##a7s #0e *a#er$as "se. $n %3-en 0%ses

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.' #% +re2en# a$.en#a $n#er0ane4' w0$0 % #0e %%w$n an res"# $n a 0ar. an. /r$##e %n.$#$%n res"#$nr%* ra+$. %%$n

a' ar s#r$7es/' e3ess$2e we. re$n%re*en#.' e3ess$2e s+a##ere' sa $n"s$%n

5' DC nea#$2e w0en "se %r MIG MAG an $2e #0e s*%%#0 ara' #r"e/' ase

;' $n w0$0 % #0e %%w$n +r%ess $s #0e "se % +ress"re re!"$re. #%s"ess"- B%$n# #0e *a#er$as1

a' TIG/' MMA' SAW.' S#". we.$n

' Cra7 T$+ O+en D$s+ae*en# #es# $s "se. #% *eas"rea' s#ren#0 % #0e *a#er$a /e$n #es#e./' 0ar.ness % #0e *a#er$a

' #0e #%"0ness % #0e *a#er$as, res$s#ane #% ra7 e3#ens$%n an. #0eae+#a/e aw s$8e a

.' ."#$$#- % #0e *a#er$a /e$n #es#e.&?' T0e +"se. MIGMAG *%.e % #ranser $s a 2ar$a#$%n % a s+ra- #ranser*%.e #0a# *a7e "se. % a %w /a7r%"n. "rren# w$#0 a 0$0er, ra+$.-+"s$n "rren# s"+er$*+%se. %n $#

a' ase/' #r"e

&&' #0e $r%n ar/%n .$ara* $s "se. /- *e#a"r$s#s an. %#0er #% see 0%wa' a..$n n$7e 0anes #0e %rr%s$%n res$s#ane % s#ees/' a..$n ar/%n 0anes #0e res+%nse % #0e s#ee #e* 0anes' a..$n *%-/.en"* $nreases #0e #%"0ness % s#ee.' a..$n 0r%*$"* $*+r%2e %rr%s$2e res$s#ane

&' #0e *a$n +"r+%se % a .e2e%+er $s #% 1a' ass$s# $n #0e .e2e%+*en# % #0e #es# +r%e."re/' +r%2$.e a ean s"rae %r #0e +ene#ra#e $n.$a#$%n' ass$s# $n #0e .e2e%+*en# % #0e +ene#ra#e $n.$a#$%n r%* a .ee#.' ass$s# $n #0e .r-$n % #0e +ene#ra#e

&6' %2era+ $n a $e# we. w%". %"r1a' a# s%*e +%$n# $n #0e we. #0r%a#

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/' %n- %n #0e ae % #0e we..' a# #0e #%e % #0e we.e' a# #0e r%%# % #0e we.

&4' $n #0e TIG we.$n +r%ess, as s0$e.$n % #0e we. +%% *a-/e +r%2$.e./- w0$0 as'

a' ar/%n .$%3$.e/' ar%n an. %3-en

.' ar%n an. 0e$"*e' %3-en an. 0e$"*

&5' we.$n "3 1a' 0e+s %n %n#r% #0e #e* % #0e +$ees /e$n we.e./' ra#es a #e*+%rar- /%n. /e#ween #0e +$ees /e$n we.e..' +r%#e#s r%* #0e a#*%s+0ere an. re*%2es #0e %3$.e $* %n #0e

s"rae' *a7es $# eas$er #% *%2e #0e ee#r%.e

&;' $nreas$n #0e ar/%n %n#en# % s#ee a%ws a $2en e2e % 0ar.ness #%/e a0$e2e. 1

a' a# a 0$0er %%$n ra#e

/' w$#0%"# %ns$.era#$%n % #0e %%$n ra#e' w$#0%"# a..$n 0r%*$"* #% #0e s#ee.' a# a %wer %%$n ra#e

&' w0$0 $s an a.2an#ae % an ar%n 0-.r%en as *$3#"re $n TIG %s#a$ness s#ee

a' %wer 0ea# $n+"#/' $*+r%2e. #%"0ness' as#er #ra2e s+ee..' $*+r%2e. *e0an$a +r%+er#$es

?' s%*e MMA ee#r%.es %r #0e we.$n % s#a$ness s#ee 0a2e a %w ar/%ns#ee %re w$re an. #0e a%-$n ee*en#s $n #0e %2er$n' T0$s $s /ea"se 1

a' #0e %re w$re %er %wer res$s#ane #% #0e +assae % #0e we.$n"rren#

/' #0e *an"a#"rer an *%re %n2en$en#- $n".e a%-$n ee*en#s $n#0e %2er$n #0an +r%."e s+e$a %re w$res

' /%#0 %r reas%n a an. / a/%2e.' %r s%*e reas%n n%# $s#e. a/%2e

&' s"+0"r $s s%*e#$*es a..e. #% s#ee #% $*+r%2ea' #0e $*+a# +r%+er#$es % #0e we.e. B%$n#/' +r%2$.e 0$0er $*+"r$#$es e2es

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' #%"0ness % #0e +aren# *a#er$as.' *a0$n$n +r%+er#$es 0ara#er$s#$s % #0e s#ee

' s%w %%$n % $!"$. *e#a r%* 0$0 #e* +r%*%#es #0e r%w#0 %a' *e.$"* ra$ns/' are ra$ns' s*a ra$ns.' a %*/$na#$%ns % are an. s*a ra$n

6' a .ee# an /es# /e .esr$/e. as a' a #-+e % aw $n a we. rear.ess % s$8e/' *ean$n e3a#- #0e sa*e #0$n as a .$s%n#$n"$#-' an- #-+e % we. aw.' a .$s%n#$n"$#- B".e. #% +%ss$/$$#- $n#erere w$#0 #0e $# %r +"r+%se

% #0e we.

4' ACC ( Dr%%+$n ar ) +%wer s%"re $s s"$#a/e %ra' MMA9TIG/' MIGMAG @CAW we.$n +r%ess' SAW MIGMAG

.' MMA MIGMAG5' In Gas Me#a Ar We.$n ( GMAW ) , s+ra- Transer *a- /e a0$e2e. "s$ns0$e.$n ases %n#a$n$n

a' *%re #0an =5F ar%n/' ess #0an 5?F ar%n' &??F ar/%n .$%3$.e.' ess #0an ' s#ee $s %#en 0ea# #rea#e. a#er $# $s *a.e a# #0e s#ee *$' W0en a s#ee $sn%r*a$8e. w0a# $s #0e +r$*ar- %/Be#$2e % #0$s +r%ess

a' #% $nrease #0e 0ar.ness/' #% .erease #0e a*%"n# % ar/%n $n #0e s#ee

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' #% $nrease #0e %w #e* #%"0ness % a s#ee.' #% $*+r%2e #0e #ens$e s#ren#0

6?' #ra2e s+ee. $s #0e ra#e a# w0$0 #0e we.$n "n +r%ress a%n #0e B%$n#'As #0e #ra2e s+ee. $nreases 1

a' #0e +ene#ra#$%n $s $nrease./' #0e 0ea# $n+"# $n#% #0e B%$n# .erease. an. #0e +ene#ra#$%n $s

.erease.

' #0e +ene#ra#$%n $s .erease. an. #0e we. /ea. /e%*es 0$0er an.w$.er

.' #0e 0ea# $n+"# $n#% #0e B%$n# $s $nrease.6&' #0e re%**en.e. .r-$n #e* an. #$*e re!"$re. +r%."$n a %n.$#$%n/e%w 5 * H&?? ra*s % we. *e#a w0en "s$n /as$ ee#r%.es w%". /e 1

a' /e%w &5?% %r & 0%"r/' 5?% %r & 0%"r' %2er 65? %r & 0%"r.' ;?? %r & 0%"r

M@ OO

&' W0- $s #0e enera- %%. +ra#$e #% a$* a# "s$n #0e eas# a*%"n# %%ns"*a/e *a#er$as an. 7ee+ B%$n# +re+ara#$%ns #% a *$n$*"*

a' #% $nrease /ene$$a res$."a s#resses/' $*+r%2e. s#ren#0' s*aer we.s enera- %%7 /e##er.' #% re."e %s#s an. w$#0 ess we. *a#e #0ere $s #0e +r%+ a/$$#- %

ewer we. a"#s' $n enera, #0e MIGMAG *%.e % #ranser /es# s"$#e. %r #0e we.$n #0$ns0ee# $s 1

a' s0%r#9 $r"$#$n #ranser/' %/"ar #ranser' s+ra- #ranser.' s0%". n%# "se MIGMAG %r we.$n #0$n s0ee#

6' $n enera' T0e MIGMAG *%.e #ranser /es# s"$#e. %r we.$n #0$n s0ee# $s.$+ #ranser

a' #r"e/' ase

4' w0$0 % #0e %%w$n *a-/e .$$"# #% .e#e# w$#0 #0e ra.$%ra+0$$ns+e#$%n *e#0%.

a' $n%*+e#e +ene#ra#$%n/' .$s%n#$n"$#$es +en.$"ar #% #0e ra.$a#$%n /ea*' sa $n"s$%n.' +%r%s$#-

5' T0e +"se. MIGMAG +r%ess $s %n- s"$#a/e %r we.$n $n #0e a#+%s$#$%n

a' Tr"e/' @ase

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;' W0en "s$n Gas Me#a Ar We.$n ( GMAW ) +r%ess, s#ra$0# ar%n *a- /es"ess"- "se. as a s0$e.e. as w0en we.$n #0e %%w$n

a' s#ee %r a"*$n"*/' A"*$n"*' S#ra$0# ar%n $s ne2er "se..' S#ee


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a' "se a +r%+er e#0$n/' +re2en# s#ress ra$sers /- ra.$"s a e.es % #0e s+e$*en' ens"re #0e re."e. se#$%n $s % #0e %rre# .$*ens$%ns.' a"ra#e- +ae #0e n%#0 $n #0e %rre# +%s$#$%n

&5' s#ees #0a# 0a2e $n#en#$%na a..$#$%ns % s"+0"r, ea. %r seen$"* #%$*+r%2e *a0$ne a/$$#- 1

a' an .e2e%+ $!"a#$%n ra7 $n #0e HA a#er /e$n we.e.

/' are "se. %r #r"7s a3es %n-' .% n%# re!"$re a++r%2e. +r%e."res #% /e we.e..' an n%# /e we.e.

&;'

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