1.
Which hich of the the foll follo owin wing are are leas leastt like likely to have have cor corrros osio ion n unde underr insulation (CUI)? a. Areas subect subect to !rocess !rocess s!ills" s!ills" #oisture" #oisture" and$or and$or acid va!ors va!ors b. Areas e%!ose e%!osed d to #ist #ist fro# fro# cooling cooling towers towers c. &i!ing syste#s syste#s that that o!era o!erate te above above '*+ d. Areas Areas e%!os e%!osed ed to stea stea# # vents vents
'.
Whic Which h of the the foll follow owin ing g is ty!i ty!ical cal dete deteri rior orat atio ion n that that can can tak take e !lac !lace e on the e%ternal surfaces of !i!es? a. b. c. d.
-.
Which hich of th the follo followi wing ng #ak #ake !i!e !i!e syst syste# e# #ost #ost susc susce e!tib !tible le to CUI? a. b. c. d.
0.
&aint ainted ed !i!e !i!es s o!er o!erat atin ing g at 1* 1*+ + Insu Insula late ted d !i! !i!es es o!er o!erat atin ing g at at 1 1*+ *+ &ro &roec ecti tion ons s and and !ene !enetr trat atio ions ns in a/ a/ &ro &roec ecti tion ons s a and nd !ene !enetr trat atio ions ns in b/ b/
+ree +reee e da# da#age age ca can n occ occur ur in cas case e of of whi which ch of of the the foll follow owin ing g flu fluid ids2 s2 a. b. c. d.
.
CUI Caustic e#brittle#ent ,rosion All of the above
Water only 3il only Water and a4ueous solutions 5one of the above
Acti ctively ,ngaged/ as an authorie ed d !i!in i!ing g ins!e s!ecto ctor #eans so#e #ini#u# ti#e as !ercentage of #ost recent - years shall be s!ent on !i!ing ins!ection. 6his #ini#u# !eriod is2 a . ' 7 b. 7 c. ' 7 d . 0 7
8.
+or a ty!ical inection !oint !i!e circuit/ starts u!strea# of inection !oint fro# a distance of a. b. c. d.
9.
6he :::::::::: shall be res!onsible to the owner;user for deter#ining that the re4uire#ents of A&I 9 for ins!ection" e%a#ination" and testing are #et. a) b) c) d)
=.
Ultrasonically ins!ect often
If e%ternal or internal coatings or refractory liners on a !i!ing circuit are in good condition" what should an ins!ector do? a) b)
After ins!ection" re#ove the liner for U6 check 6he entire liner should be re#oved for ins!ection
c)
elected !ortions of the liner should be re#oved for ins!ection @iner need not be re#oved if it is found to be in sound condition
d)
1.
&i!ing ,ngineer Ins!ector
What is the best thing to do with dead legs that are no longer re4uired? a) b) c) d)
>.
- ti#es !i!e dia#eter or 1' inches which ever is greater ' ti#es !i!e dia#eter or 1' inches which ever is greater +i%ed 1' inches irres!ective of !i!e dia#eter 5one of the above
Where can fatigue cracking ty!ically be first detected? a) b) c)
At !oints of low;stress intensification such as reinforced noles At !oints of high;stress intensification such as branch connections At !oints where cyclic stresses are very low
d)
11.
Who would nor#ally re!ort vibrating or swaying !i!ing to engineering or ins!ection !ersonnel? a) b) c) d)
1'.
10.
conducting conducting conducting conducting
&DI testing !ressure testing nondestructive testing destructive testing
Class 1 flanges Class - flanged fittings utt welded !i!e elbows All of the above 6he one for !reheat shall e%tend (as !er -1.-)"
a. b. c. d.
At least E/ beyond each edge of the weld At least 1/ beyond each edge of the weld 3ver only the weld itself At a #ini#u# '/ each side of the weld
A !ressure test for !i!ing" in #ost cases is a2 a. b. c. d.
18.
y y y y
AD, 18. does not cover2 a. b. c. d.
1.
3!erating !ersonnel
An e%a#iner is a !erson who assists the ins!ector a) b) c) d)
1-.
At !oints where there are only bending or co#!ressive stresses
leak test tress test ductility test trength test
+atigue cracking of !i!ing syste#s #ay result fro# a.
,#brittle#ent of the #etal due to it o!erating below its transition te#!erature
b. c. d.
19.
What are the !referred 5B, #ethods for detecting fatigue cracking? a. b. c. d.
1=.
,%!ansion of these #aterialsG Contraction of these #aterials Construction of these #aterials Becrease of these #aterials
6he ::::::: shall be res!onsible to the owner;user for the re4uire#ents for design review" analysis" and evaluation of !i!ing syste#. a. b. c. d.
'.
,ddy current testing ultrasonic A;scan testing" and $ or !ossibly ha##er testing @i4uid !enetrant testing" #agnetic !article testing Fisual testing" eddy current testing and $ or !ossibly ultrasonic testing Acoustic e#ission testing" hydro;testing" and $ or !ossibly ultrasonic testing
Water and a4ueous solutions in !i!ing syste#s #ay freee and cause failure because of the a. b. c. d.
1>.
,rosion or corrosion $ erosion that thin the !i!ing where it cracks ,%cessive cyclic stresses that are often well below the static yield strength of the #aterial ,nviron#ental cracking caused by stress corrosion due to the !resence of caustic" a#ine" or other substance.
&i!ing ,ngineer Ins!ector
Why should deadlegs in !i!ing be ins!ected? a. b. c.
A&I 9 #andates the ins!ection of deadlegs. Acid !roducts and debris build u! in deadlegs. 6he corrosion rate in deadlegs can vary significantly fro# adacent active !i!ing. d. Caustic !roducts and debris build u! in deadlegs. ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;,nd;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
ANSWER KEY
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H. 53. '9 '= '> - -1 -' --0 - -8 -9 -= -> 0 01 0' 000 0 08 09 0= 0> 1 '
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