aws d1.1 code clinic exercise questions
TRANSCRIPT
AWS D U ode linic Exer .ise Qu tiom
I . Select the COI'l'eCL answ",' for 1lI" rollowing question __ Refer to lile ""Examination Bot: ok of Where
are t.he de1iflitions ilS 0 iaLoo with weldi flg a per AWS D LI to be foufld ? (T± A WS D J.J fi 'tfl', ~lW p-fJ ~"!J 'fI) " J Ir-J~~ ? )
a. A , S11AWSA2 .4
b, ANSIJAWS A3,O
c, Afln x B (Prttitl;. B)
d, h and c abo\ll: C.!-t:I'r'J b ffl c)
e. All of the above (J-~q;-1If~t)
1.l s ~rel prccauliOlls 10 b ' OtkCi'V",ddlltillg welllllS r,u WS Dl.l al'efo'und i:n (il'r±~~tlf~l~Flr
p~J=i-' .? w-.«::;; Tf A W S D J.J ~J ~- l ' ~II ? ) :I, Aflnex J 1'oi'r~ .J)
b. NSJ Z49_~
c, Aflnex K (r#~ K
d, a and b above (.!-t':li'J a '11 b)
e. All of the abo e L C'iT1Jr~I)
1.2 ''&at dooc the non iandm'd tenl1 '"dowruuUld" moc:ln ? (1~·!!i~·-;; -".:!I ' Jjj;'''-'f<"'i fiJ.'lhf"l,? ) a. Welding. VeJ1ically downward (~~' fJr+-: I =-1. rJ:l )
b. Welding in tbe flat position (i± ~' f-I Ii' ~I~)
The pau e during electrode change r'± ~ 'r,l:l'1f'~ f~qJ)
d.. The pau e of welding du~ing de; lagging ( , ' ~ ]\#W ~~W'''' 11 [1.\1<1')
e. None of the abOl·e (~',J-~ i:::: if' - iJ;l)
1.3 In what year wa~ the n l'st bridge welding specification publL hed by the AWS "! CAWS 't.t M- l>
tl',~-J ';r- ~ ~~~"t1i ~f' i~' ?)
a, 1928
b. J 934
c, 1936
(l. 1972
e. J 988
1.4 \Vhicn of tbe j'ollowin~ sleets a1C inknded 10 be us!;. ... 1 iI1 work cOllvero<.1 by DI.l ',' 'l. ~~P~l:1;g;itli'fW
q d: D 1.1 t!'~~fI_ f'tfl' fjf!" J ?
a. All alloy steels with a yield " tren~ of 97,ooo ]lSi or le.s. (lr'~F1i1f, 't$'iJ~ . -J , 97 ,OOOp&i
fJttri, ~.B b. Low t:a~bon , (eeL . 5/32in. thick (5/32in "l r' ~J I-~lifim)
c. Low alloy steel with a ridd tl"ength of 970 Mpa (ll!!f1sr''l! ~ 970Mpa ~;·J~fr t ~ (l. L.(mr c,y'ljmi · la.inles~ slecl i~liR l' ~if'.J) e, None of the arlOl'e (;t.J-'~ i:: iF' - jill )
AWS D U ode linle £Xer .ise QlI Hom
2 .1 In oontmct documelilS . weldil1g symbols without dimens ioll to indicate groove weld detail, are
(1'1: ~ rfl~ r FII ' frI rt~ft:j; ~ IW~ I !ij'1~t;: • J C.j'l fJ' W rpf.: ~ : ) a. Mandatory <"irjW ) b. Recommended ( _ ~[I~/'
c. ot Ie mmended n ~~)
(I .. Only co be used whell reinforceme·rtl i ' required nnl 'i'EI~'P"i~'fflijl,~Ij)
e. Only required whell Joint will be cyclically loaded H! 1 J ~H1 tiP firUqli'i~pi ~~ ~I ! ' ,
2.2 Pille( welds QIl the ('ppusiv' ' j .... e of a " OmmOrl ])jarte fie " On!ild axe reqllin."<l Co be C:j' - 11 .... Jf /=tl
rfiP f'YtI:rIY - WJ ~ "J ~.~I Yrr~1 : ) a. ContilluoUli all aroulld ' I J! Wl
b. Interrupted aC the e/1d..~ of members ( oj;~ Ii' IJ~Jsrrri fl'lfi1 e. Interrupted at oorrunon corners ( ;'±:tl r ~ i'J ~ 11'tr)
d. Boxed (returned) at oommon comer ' (tr:tl rfd " 1~} Ff1) e. None of the all<.we (;t._ 'C f~ ifi' - jJll )
2.3 ''&at i til max.i mil m iz o f the fillet w ld >f a lap j oill t of member 3f8in. thick ? (~ rt 'f;r 't ~ 311:1ill fJ¥~ t,&p WJ E"I~~I ~Ifr\l-'... 4.'I 1:!: 't 'J.> ? )
a. 3116 in
b. 1/4 in
e. 5/16 in
d. 318 in
Any iz' at d ' igller's option exc pI if (.J'd ically loaded ~~ -"W{lJ .. Y'fl~fc' · ~iffi' n ~ E Ifi' L,J, 7J )
2 .4 How all: transitions ill (IIi kness of a groove joint (0 b m<lde '1 (i~'r r ~ fifi(r~~F~'f,J~J! : ) a. 'hamlering the tbicker member afler welding ( d~:aJ 1~~ii!lJf;l ii'i1::; ,"'i &'1 E" p b. By chatl1fering too th i.cker member bdore weldi ng on olle ~ide only ( -;';t~ij!ff"1 r~. t.ttl ri
rJ.J- ~~i'::; ~ ""jl
By chatnl'ering the thicker member before weldi ng n both ~ides only Cd ~n:~il f!L fft'J)! f" ~~c jf~ ,e:; ~ "1)
(l By sloping lite wel<~ 'urfaceO f~ 'W~f I~j~ ::: JJTF.lf· ' lMi~ )
e. All of the abo e (,.! C'-'IT 1, r( I) 2 .• ' \!{hat i. the rnaximum allowable " tre!.s 1'0 · err groove wegd me!al "piking: I\VO ASiM A· 36 ~tee]
n IHedulldant members 01' eqllal till kneL and Width, s.ubjeeL 10 loadi ng or 2)(1(f; life r.lme srres~
reversal . <lSsum~ng tb weld rcinfo[{''l:l1K'nt remmm illId ill l uch joints lU'e to be mdiogmphed ','
(Jitlj~lII!~ f'JifiilrrJ~'f,P ffl~ ' ~J AST 1\-36 W,jY ~~f~:jf r ' 'i.!:: ilil~~W~li''T' ~fi~~:':~
<IT. r Wt'11 fifIfl1If:I~ , .... :tt~ rf.l ' oj; P~' 2x I if ¥!~fJ1£lrJ J 1> ~1Il 'j'iV1.. W ~ l1i~fit, r If.,lCJ ~ 'i'J' ~ "'-.". ir~'J J~ '!- 'ji ?)
a.1500 psi
b. 10,000 p i
c. 13,500 p i
d .. 16,000 P i
J8,OOO p i
AWS D U Code Clinic Exercise Que lions
3.1 ""'hal j . Inc mini mum len .j ~<.: ' lrcf\gth ohle '1 collfomun!! 10 AST . A 572, grade 65 ? (rr f l AS'rM A "12,6" ;J'.&~Jlj~J !tIl '1"1:': f~ '~f i '{l ?)
a. 60,000 p i
h. 65,000 p_ i
c. 70,000 psi
d. 75,000 p i
e. SO.OOO ps i
3 .2 What i . til rc t] uircd minimum prehca! and intcflXl . lempcmttu'c for I in . thick API 5L gmd' B
' (eel eldr;..~ will'l nu' C()'-'-u ;rrc w-Min!!? ~t,~~~, IN;;t,', :'I-» ~' ~J 'lfl ~ I in It.J API S , D ~~fJ
l 'J' if#::: 'IV rr1'r.~lt 't 1::1: 't. 'j) ? )
a. ISO'F
b. IOO'F c. 50 [,'
d. one (~.)
c. on ' e. cepe kf a!llb iCI1J( lempcral ure is ;;;;; SO<F fi:.' ~ ;'I=~'rr E!-r -'...~, i!)I n, 'J' ~~ m~ 50·F)
3.3 Ma}' a gJ.' ve prepunli(1Ii ,Jr;t,ded 1'01' S W be p 'e..J Illichanj!e(i 1,) . F W pJ'e£I',I'lr . ..... 1
\/v'PSs tt!: 71 ~ 'W SM W fr.j; ~ I r'f Ii\" 1~(fi' r ! ~ ' J r: CAW M ~r ~y wps r'll' f' =-f:::: iji" a ~ ? ) a. Ye. (li' -" J )
b. No l fi J'I)
c. a ni if Fe W i ' used ill DeEP nlo.:Je un J fpze.;t!, ~ ;.q,< rtJ I ~"J.I ~ jf.1 nt' '" n i!i -) d.. Only when elding group 0 1' gmull n leel a l'C being welded ( F. )"i I ~ I '11 n ~ ij~i'~J~H'tW m~p
e. Only at designe ~ Opli')1i e cep( if jOili l ' al'" ' M.ici\lly loaded <f?t • p~j~ , FMI=Jl wl:!F'-n
3.4 \Vhat i tile rangc of groove angles for joint desillnation B -P8, a fit up ? (BC-PS ~t1fP W~./:it
Ilirl'I# ~ I " jlt ~Il:! ?)
a. 45' to 5
b. 40' to 55'
t;. 3S' to 50'
d .. 30' to 45'
c. 25 to 40
3.:5 \/v'hat is til m;,v;,i mu m dcpth of ocvel Sl for joint de . ignalion B-U3c-S WRen welding 3-12 in .
platc 'I (3- 1f2 ~""J 'f;rp"-.J. lt B- U3c-S 1'1;:trl~m.fj w,·~ ri?£'t Slfi;l""-M'i-')r?)
<1_ 1· 1/4 In_
b. !-l18 in.
e. I in.
d.. 7/8 in.
c. 3/4 il1.
AWS D U ode linie Exer .ise QlI Hom
4.1 Plug and lot te ts welded in the horizontal position qualify a WP in what po ition( )? ( . I:!!I'r:t WWl~J 111 I~r ·~~ l1~ii 'tf:
!), 7m. c. ':- 6in.
d .. '=> 15in.
c, 8 in , minimum (p '1 8 ~"1 )
5 .1 How many lime may tow hydrogen electrode be rehaked ( ~i'l ~ ~~.i\I- $ fi' r' / ~I f"T";:fI: ~~~) ;i.' ? )
a. Once (- . "J b. 1\"ice Wr-t.') c, ot Ii mi lcd ti:· J Il: flU) d.. NOl Ii mited , "xcepl if coati ng L~ damaged ( ~f,.:' ~ I;[,'~ ~ J
e. NOl pecificd (f;':'J 'I Yr)
5 .2 Whal grade 01' grades of steel ~hould b IL ed for spacers? (i-t pffWJmHfi' n cll~~rr-? a. Any approved (Tabl~ 3.1 or Annex />"1) b. e nl La] (trT'rt;t1- 3.1 f1Yf,ft ~ M IW<~' ~J -3.1 f: ) h, Only kd~ .. r (he 60 ksi dil~ ( n 1 60k, ; ~T;HUrJ~H)
c. Any approved steel malcni tlg lhe weld metal ( f:: ffi' Wr:~' ~~j~:;'J ttF' r"fIj'4Jj)
d.. The arne as lhe base meLal ~:!J tHl-lr~1 ~J~tt
c, n}' g)'atie uf ~(cel, ,,~!he '11",:er will be gouged (l ui during we.lding E ifi'~~~p'.J~t1· • [""-I ,'iD
~r1"-oj;r.~~ ~qJ~l]tr)
j . ' Whal is !he allowable deviaLion from slraighlneJ _ for a 40 foo t long primal'y iru;,s member?
c 1' 4() ~""1 ~ li~J~ ;P:-Wlf-j 1-t"L il"'l1~I~1 ' !J.(,fl!l -P:f:!: LJ, 'j)? )
a, 112 in ,
b. 7/1 6 in.
c. 3/8 m.
d, 5/161.n,
e. 1/4 in.
5,4 '¥hat i. the allowablc var iation between rhc ccnlor line. uf tbc web and nange of a 30 feel tong
bUill-Up l-tleali ? (30 :Jt"i ~fJ~~~: ::j · 'rJ;' fJ11~r;-fll,~, .!lt·~·F ~rqF I '·<"'~~llp';J-'c~iJf" f'~l:!: ';"'Ii" ?)
a. 112 in.
b, 7/1.6 in ,
c. 31 in.
d_ 5/1 6 in.
c , 1/4 in,
5.5 \Vhal i allowable miS;ali "nmenl belweell members of a butt j oin l. under any circun laTIces "!
1± i= ifF fJfllW1. '_ ~ ~" ~.ilt-",;;;- 'i.-·r?) a, 0 misalignmerll penniUed l".:. ;; ~~ .. ) b. 1/8 m.
c, J 0% of the tbicknc oftil thinner mcmb(..':r (~it\el ["" ftr 't~:.r J 0%)
AWS D U Code Clinic Ex rei Qu lions
d.. 1 O<',{ of lhe. til iek ness of the til kker member (!ji.t. Wi 11''' ~ fl ~ O<;ll,)
3116 iu,
6.1 Who L resp mible to en~ure lhal weldillg equipment COIl~ rms to the provLioll_ r 5. ~ 1 "! ~.: p::qtl jf;!~J 'l1f'lifl] . ~ 5. 111\lt..J~P"\:::)
a. The conln 'lol' jlUll,. )
b. The ellg ineer C Jflfl) c, The welder (~ =: ) d, The weldi n!! in'poclor <'~ f" wur l)
e. NOL pecified n~ i] l;fH.,9
6,2 WhJlI owcimurn depth u[undcl'cut is perrrli ued inll'amvers . ' pli<:" of prirrulI'Y members '> tt? p~ f~HII , ~f'lrf il'~J ~~ I~P .... , ". ip~"f~ ?)
a, 0.0 1 in,
b. It3 _ hL
c. J/16 in .
d, one permitted (1' '" ~ e. ot specified a;! ~ ] ~' :f )
6,3 E"<:'pt for sliffener-I w",b j(.inl ' .. (he maximum d ilulvl 'r of pi1)ing I:>orosily i.n fi.llet wdd ' i '
~-J Jl\lfj"II~ifjfl~!n~ J ' l'l~i~if!'fI)f~,:;t'1-' ;~jf.I....I...".:;;- .~ "??)
1132 in,
tI, 11[6 in.
c. 3t32 i ll.
d, liS in ,
one of til ab<wc () ' J J- ~ . !fll~D
6,4 For a groov welded leu 'ion member in 3/4 ill. plate, what i the ma1(irnllm izc of fll iOIl
di ontilluit}' penniUod in a statically loaded membc..'T ? (~3/4 -'ft.] t~tf" 'J-o~' f4-Wr I' ~'B:
p'/~fjlr.'i>~~j , .; 1 fl ~WM ... , ~I~!m-....I... <.J:;-]:f:J. 't. 'V?
a. 112 in.
b. 7f[6 in.
c. ltS in.
d. 5/1.6 in ,
c . 1/4 in.
6 .5 For the j oinl in Que lion 6 .4 . whal d signation no le type IQI hould be used (~mr~ I . 6.4 rll ~
.fP~ . 'll"lffh f' Hi.~ ,J;:;·~'rr¥~'Fof-?) a. JO
b. 12
c. 15 d_ 11
'. 20
6.6 In what ciJcmn lan , if any, can a CWI who certi lcation has-expired, accept D J. I work ? r;' It .. UJ o.. - flFiIfi.ii ~ I~~~r-.J C\I-Jl F ]'/ <'t ' ~t~ Dl. 1 r~~!J_ r~ ? )
a. Not J'IeI'miued due to expiJ'y 01' ceJ'tiricatioll l .l~ ifI" ' [+JrljtEf; ;;'" ~Wf)
b. Req lIIire. en, ineer approval (jllJP - ~ j l~'
c. PeITllitlcd with a curfCnt vi lIIal acuity t .[ M'jr,Iij. ~ ~ W~)
d.. Pel1miued with cU!rent vi. ua! acuity test and eng.~neer approval (rir.; '@l~~·-t m ~'U:JI:::
"h!~flf!"'l:') c. May only workas a CAWI n ~ a~ '~t'.1:, )J . 1J.!r.jf ~~p . r~}
6.7\Vhat i the e sential wi.re diameter (of wire type IQI) for the joint in Qu Lion 6.4 (~~PJ![l 6.4
FI '1t.J~pp~r, I lt.;.!>t~H J . D i':t ':!l.i 1-' .;j p~I~~jj1. 1 E1:!: 'ir 'J;?)
a. 0.010 in.
b. 0.013. in.
r;.. 0.016 il1 .
d .. 0.020 In.
0.025 in.
?J What action is "cquired if a crad J /4 in . Long. i. observed in a standard • IS in. tlld head -r (W.f1J 5/8 :r. -:-J ·Jt~E-Pfirrriln.l- r'~ 114 * 7J ;-..f!~:\r!' ' ~]~~1::rv ri :6~7 : ,
;I. 0 ~u,: .. ull > use II ' is ( llt~~ IJl.t ~ , f)
h. Rellalr cl'ad: and 1.1- e U,*fUP.' ~ l'3i.fib~ l ]) c. Do not usc , replace stud q'ff= r~ .. I . ~I~t"")
d.. Suil able onl flltcmlerule elleaS.cd IUds ~ J n: ~ I Jflit"'t' jru :P £' p~J~E)
". Notify " tud manufacturer (Jfj~t~*~~Jfi jifj)
7._ Th1'Oul1l1 whal al'lgl ' aJe lhe uaily 'Iarl op lest slUu ' (u be· bent, a' uming 360' D" 'I1? 1'I .jJt;l§t!'.l,
360' , d ~:;'p-9;S#'J¥ti~ i}~~6 ·~Jj .1 - fit~ rl~~~rl " l'~g i- 'ji? )
a. Bend te I nol reque ted willi 360' !lash ~~J1±t'.t 360'lliljl jr,1 ~ ' . ~ II~~)
tl. 30'
c. 15'
d. 10'
e. flO"
8.1 \Vh.lch of tn foltowing is Ilot a recommended method of cyclic loading improvement ',, 0.. :1Up1Ir. jl!iJ -f.J#' ct: rr~~ " ~ f.I' .' i1fifl~rt(I~i " l l ~~:tJ~l~%.iRl ~I ! ?)
a. Toe g.t·i l1d~ng. with a cal'b ide burr r l)Cflcj I grind.e.r ( ~I J~J.;.,'mn· jl1i!lfW" rt,f.,il i!t b. Toe grinding plus hamm r pecning (r ~tr.!rrr--7P . - )
c. Toe g1'inding rl u ~ ,hut peening ()f Inc wel.L l"e~ (J'T~ f:t-'rf 'J[lW. -?. rill{) ~~ )
d.. Res haping or eld toe. by TIO weld ing. ( rIG I~ Hammer peening of weld to . (. - l!fi