1.
Whic Which ho off the the foll follow owin ing g is true true of “dea “deadl dleg egs” s” in in a pip pipin ing g syst system em? ? a. b. c. d.
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NDT ca cannot be be do done on on de deadlegs A portion of the piping which has fallen out of the test system The The cor corro rosi sion on rate rate ca can n er ery y sig signi nifi fica cant ntly ly from from ad!a ad!ace cent nt pipi piping ng None of the aboe
Whic Which h of the the foll follow owin ing g is a desc descri ript ptio ion n of a “rep “repai airr orga organi ni#a #ati tion on”? ”? a.
An owner or user of piping systems who repairs or alters his or her own e$uipment in accordance with A%& '() b. A contractor contractor whose whose $ualificati $ualifications ons are acceptabl acceptable e to the owner or user of piping systems and who ma*es repairs or alterations according to A%& '() c. +ne +ne who who is auth author ori# i#ed ed by, by, ac acce cept ptab able le to, to, or othe otherw rwis ise e no nott proh prohib ibit ited ed by the the !uri !urisd sdic icti tion on and and who who ma*e ma*es s repa repair irs s or alterations according to A%& '() d. All All o off the the abo aboe e
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What hat doe does s th the ac acrronym nym /& /& rep repres resent? nt? a. b. c. d.
0.
rac*ing /nder &nsulation oered /nder &nsurance orrosion /nder &nsulation orrosion /nder &nspection
epair on on pi piping sy system wo would a. b. c. d.
est estor ore e pip pipin ing g to to inte intend nded ed desi design gn co cond ndit itio ions ns hange the design conditions e$uire re re2rating to to be be ca carried ou out None of the aboe
'.
Which of the following best describes au3iliary piping? a. b.
c. d. 5.
%ost weld heat treatment is carried out6 a. b. c. d.
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4efore %W7T After %W7T and before painting After %W7T and painting Anytime is o*ay
4asic construction code referred in A%& '() is a. b. c. d.
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To increase 7ardness To increase Tensile strength To release loc*ed2up stresses in the weld and improe ductility None of the aboe
&n case of piping re$uiring %W7T %ressure test is conducted a. b. c. d.
8.
Any piping which is e3tra to the main piping run can be considered as au3iliary piping. &nstrument and machinery piping, typically small bore secondary process piping that can be isolated from primary piping system. Any piping which is less than 1.) inch N.4 All of the aboe
A9:; A9:; A9:; A9:;
9ec. <&&& D&< 1 9ec. &= 4 -1.1 4 -1.-
Which of the following defines the term hold point? a. A pipe hanger that utili#es springs and sliding shoes to accommodate e3pansion and contraction b. A dog welded onto piping and used to align !oints prior to welding c. A point beyond which wor* may not proceed until inspections hae been performed and documented d. A trunnion, gimbal, or sliding shoe used for piping support systems
1).
Which of the following changes on a piping could be termed as an alteration? a. b.
Addition of a reinforced no##le of si#e e$ual to an e3isting no##le Addition of a no##le not re$uiring reinforcement
c.
d. 11.
A%& '() was deeloped for the petroleum refining and chemical process industries. a. b. c. d.
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&t &t &t &t
shall be used for all piping systems. may be used, where practical, for any piping system. can be used, where necessary, for power piping. may not be used unless agreed to by all parties.
The preferred medium for a pressure test is . a@ b@ c@ d@
1-.
Any change that effect the pressure containing capacity of the piping beyond the scope of items described in e3isting data reports +nly “b” and “c”
9team Air Water 7ydrocarbon
&dentify “dead legs” from the following. a. b. c. d.
4ro*en or damaged pipe supports 9pare pump piping 4oth of aboe None of aboe
10.
&n A%&2'1), the term “4&” means6 a. b. c. d.
1'.
9A interface is ta*en as #one which is6 a. b. c. d.
15.
epairing 4efore &nspection eport 4ased &nspection epair 4ased &nspection is* 4ased &nspection
1" inches aboe soil 1" inches below soil 1" inches below and 5 inches aboe soil a and b aboe
%art of piping installation e3hibiting similar corrosiity and similar design conditions is called6 a. b. c. d.
%iping system %iping 9pool %iping ircuit None of the aboe
1(. What is the minimum time that a lea* test must be maintained as per 4 -1.-? a. b. c. d. 18.
5) 0' -) 1)
minutes minutes minutes minutes
“T:B” in A%& '() means6 a. b. c. d.
Thic*ness monitoring line Thic*ness measuring location Thic*ness measurement location None of the aboe
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%erforming impact test re$uires testing of a set of6 a. b. c. d.
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Three specimen At least two specimen :inimum three specimen :a3imum three specimen
7ot tapping is best described by statement6 a.
&t is techni$ue of heating the pipe to specified temperature and gently tapping with 1lb. rounded hammer to detect thinning of pipe wall b. &t is techni$ue of proiding a tapping connection while pipe system is in operation c. &t is techni$ue of fi3ing a water tap on hot water lines for use during winter d. &t is an act of using the tap and die for threading the pipe when the pipe is hot 22222222222222222222222222;nd2222222222222222222222222222222 ANSWER KEY
Q. 1 " 0 ' 5 ( 8 > 1) 11 1" 110 1' 15 1( 18 1> ")
ANS. D A 4 4 D 4 4 D D A 4
REFERENCE A%& '(), '.-." A%& '(), -.-8 A%& '(), -.8 A%& '(), -.-( A%& '(), -.5 4 -1.-, --1 4 -1.-, -0'.1 A%& '(), -.A%& '(), -.1A%& '(), -.1 A%& '(), 1.1." 4 -1.-, -0'.0.1 A%& '(), -.> A%& '(), '.1 A%& '(), -.0" A%& '(), -.-1 4 -1.-, -0'."" A%& '(), -.0( 4 -1.-, -"-.-.Ceneral nowledge
Q. "> -) -1 -" --0 -' -5 -( -8 -> 0) 01 0" 000 0' 05 0( 08
ANS.
REFERENCE