1.
As per per AS ASME ME 31.3 31.3,, the incr incre eas ased ed qual qualit ity y fact factor ors s by con conduct ductin ing g additional NDT is peritted for! a. b. c. d.
%.
The thic&ness forula t'(D)% *SE+(- is alid only if pipe thic&ness as fraction of pipe outside diaeter *D- is! a. b. c. d.
3.
/ /
D)0 D)2 D)2 D)2 D)0
Absorb Absorbed ed energy energy crite criteria ria only only 6ateral 6ateral e7pansion e7pansion criteria criteria only 8ali 8a lid d for for both both a and and b Depends Depends on decision decision of piping engineer engineer
(neua (neu ati tic c tes testt is is to to be be con condu duct cted ed usin using g ASM ASME E 31.3 31.3 eth ethod odol olog ogy y on piping haing Design pr ' %99 psig. #hich of the follo$ing eet eet the the eth ethod odol olog ogy y of AS ASME ME 5 31.3 31.3 as rega regard rds s test test pr, pr, inspection pr, and safety ale pressure respectiely! a. b. c. d.
:.
Thic Thic&n &nes ess s Thic Thic&n &nes ess s Thic Thic&n &nes ess s Thic Thic&n &nes ess s
or ipa pact testing of pipe at aterials als 4ode 5 31.3 stip stipu ulates aerage alue for 3 specien, ho$eer a lo$er than aerage alue *but higher than iniu stipulated- ay be accepted for one specien. This acceptance criteria is alid for! a. b. c. d.
0.
E"# E"# pipe pipes s Seal Se ales ess s pipe pipes s Electr Electric ic fusi fusion on $eld $elded ed pipe pipes s All All typ types es of of pipe pipes s
%:9 psig, psig, %99 %99 psig, psig, %;: psig respectie respectiely ly %%9 psig, psig, %99 psig, %09 psig psig respecti respectiely ely %%9 psig, psig, %%9 %%9 psig, psig, %0% psig psig respect respectie iely ly None None of the the abo aboe e
A pipi piping ng is is to be pne pneu uat atic ical ally ly tes teste ted d at tes testt pr ' <9 <9 psig psig.. #hat #hat $ill $ill the the pres pressu sure re at $hic $hich h a prel preli iin inar ary y lea& lea& chec chec& & shal shalll be perfored= a. 09 psig b. %9 ps psig c. %: psig
d. <9 psig 2.
(re>heating, $heneer specified is! a. b. c. d.
;.
Applicable to strength $elds and not for tac& $elds Strength $elds and seal $elds only Strength $elds, tac& $elds and seal $elds Strength $elds only
or pressure testing of piping systes, $hich of the follo$ing stateent*s- are correct= a. ?a@ard of released energy is higher in case of hydrostatic test since ?ydrostatic pressure is :9 higher than design pr $hile pneuatic pressure is only 19 higher. b. or hydrotesting $ater alone can be used. c. (neuatic test shall be conducted only if hydrostatic test is ipracticable. d. a and c aboe
<.
Bf stresses produced during hydrostatic test are li&ely to e7ceed the yield stress of aterial, hydrostatic test pressure shall be! a. b. c. d.
C.
#hich of the follo$ing ASME 4ode sections $ill you adopt for construction of piping in cheical plants= a. b. c. d.
19.
1.: ties the design pr ultiplied by stress ratio The pressure liited by yield strength of aterial The lo$er of a and b ?igher of a and b
ASME 531.1 ASME 531.0 ASME 531.3 None of aboe
4ode 5 31.3 stipulates acceptance criteria for NDT ethod. Bn D.(. chec& length of indication for the certain discontinuity $as seen as 0 but after the D.(. chec& and after cleaning by using agnifying glass,
it $as seen haing actual length as %.: only. Ealuation shall be done considering $hich of the follo$ing. a. b. c. d. 11.
The Ter SF used in forula for calculating thic&ness of peranent blinds as per 31.3 code, represents. a. b. c. d.
1%.
At At At At
abient abient abient abient
teperature teperature teperature teperature
aboe 9 deg 4 aboe 19 deg 4 belo$ 19 deg 4 belo$ 9 deg 4
Bf T$o pipes different pre> heat requireents say t1 and t% are to be $elded, the pre> heat for their Goining shall be *t1 and t % are in o4a. b. c. d.
10.
Safe stress 8alue of pipe aterials Safe stress alue of blind aterials 6o$er of *a- and *b?igher a. and b.
4ode 5 31.3 recoends and andates in, required pre>heat tep, for $elding of pipes. #hen do the recoendations becoe andatory= a. b. c. d.
13.
The si@e of indication 0 The actual si@e of discontinuity %.: ?igher of *a- and *b6o$er *a- and *b-
?igher of to1 and to% 6o$er of to1 and to% Aerage of to1 and to% None of aboe
4ode 5 31.3 requires standard ill tolerance to be added to calculated pipe thic&ness. The standard negatie ill > tolerance as percentage of noinal thic&ness is! a. b. c. d.
19 1: 1%H None of these
1:.
or
12.
BD for both pipes $ill be sae JD for both pipes $ill be sae BDs and JDs for both pipes $ill be different Aerage pipe diaeters for both $ill be sae
T$o pipes *A- and *5- of different aterials and schedules are to be $elded. The (#?T "equired for pipe *A- is 1199 o in. for % hr in. for pipe *5- 1399o in for B hr. $hat $ill be (#?T in. tep and in. tie for the $eld Goint of *A- and *5a. 1199o and 1 hr. b. 1199o and 3 hr. c. 1399o and 1 hr. d. 1399o and % hr.
1;.
#hich of the follo$ing types of discontinuities is not norally detected by radiography= a. b. c. d.
1<.
ASME 5 31.3 code is eant for ne$ piping installations in! a. b. c. d.
1C.
4rac&s Bncoplete penetration 6ainations Slag
Stea piping in (o$er stations (iping in "efinery and process plants 4ross>country piping Kas transission piping
Bn a certain arc $elding process, coalescence of etals is produced by an arc bet$een a tungsten electrode and the $or&, and shielding is obtained fro a gas or gas
i7ture. iller etal ay or ay not be used. This process is called! a. b. c. d. %9.
4A# KMA# KTA# SA#
A(B :;9 gies rules for! a. "epairs and alteration of etallic pipes only b. "epairs and alteration of etallic L non>etallic pipes. c. Bn>serice inspection of etallic L non>etallic pipes. d. All of aboe. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>End>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
ANSWER KEY
.Q
.ANS
1
20
4 4 A 5 4 4 4 4 4 A 5 D A 4 5 D 4 5 4 A
21
--------
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
REFERENCE 5 31.3, Table 39%.3.0 5 31.3, 390.1.% 5 31.3, Table 3%3.3.: 5 31.3, 30:.: 5 31.3, 30:.:.: 5 31.3, 339.1 5 31.3, 30:.1 *b5 31.3, 30:.0.% *c5 31.3, Bntroduction 5 31.3, 300.0 *Ken. no$ledge5 31.3, 390.:.3 5 31.3, 339.1.1 5 31.3, 339.%.3 A(B :;0, Table 3, (age 0< A(B :;0, Table 1, (age 0 5 31.3, 331.%.3 Keneral no$ledge Scope of 5 31.3 Keneral no$ledge A(B :;9, 1.1.1 -------------------------------------
