C_TSCM62_66 SAP Certification questions and answers
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1.
Which hich of the the foll follo owin wing are are leas leastt like likely to have have cor corrosi rosio on unde underr insulation (CUI)? a. Areas subject subject to process process spills, spills, moisture, moisture, and/or and/or acid vapors vapors b. Areas expose exposed d to mist mist from from cooling cooling towers towers c. Piping Piping system systems s that opera operate te above above 250ºF 250ºF d. Areas Areas expos exposed ed to stea steam m vents vents
2.
Whic Which h of of the the foll follow owin ing g is is typi typica call det deter erio iora rati tion on tha thatt can can take take place place on the external surfaces of pipes? a. b. c. d.
3.
Which hich of of the the foll follow owin ing g make make pipe pipe sys systtem mo most susc susce eptib ptible le to CUI? a. b. c. d.
4.
Painte Pain ted d pip pipe es ope operratin ating g at at 150 150ºF ºF Insu Insula late ted d pip pipes es oper operat atin ing g at at 150º 150ºF F Proj Projec ecti tion ons s and and pene penetr trat atio ions ns in “a” “a” Proj Projec ecti tion ons s a and nd pene penetr trat atio ions ns in “b” “b”
Free Freeze ze dam damag age e can can oc occur cur in ca case se of whic which h of of the the foll follow owin ing g flu fluid ids: s: a. b. c. d.
5.
CUI Caustic embrittlement Erosion All of the above
Water only Oil only Water and aqueous solutions None of the above
“Ac Acttively Engaged ged” as an authorize zed d piping ins inspector mea means some minimum time as percentage of most recent 3 years shall be spent on piping inspection. This minimum period is: a . 2 5% b . 5 0% c. 2 0%
d. 40% 6.
For a typical “injection point pipe circuit” starts upstream of injection point from a distance of a. b. c. d.
7.
The __________ shall be responsible to the owner-user for determining that the requirements of API 570 for inspection, examination, and testing are met. a) b) c) d)
8.
Ultrasonically inspect often Radiograph often Inspect often Remove them
If external or internal coatings or refractory liners on a piping circuit are in good condition, what should an inspector do? a) b)
After inspection, remove the liner for UT check The entire liner should be removed for inspection
c)
Selected portions of the liner should be removed for inspection Liner need not be removed if it is found to be in sound condition
What is the best thing to do with dead legs that are no longer required? a) b) c) d)
9.
3 times pipe diameter or 12 inches which ever is greater 2 times pipe diameter or 12 inches which ever is greater Fixed 12 inches irrespective of pipe diameter None of the above
Where can fatigue cracking typically be first detected? a)
At points of low-stress intensification such as reinforced nozzles
b) c) d)
11.
Who would normally report vibrating or swaying piping to engineering or inspection personnel? a) b) c) d)
An examiner is a person who assists the inspector a) b) c) d)
13.
At points of high-stress intensification such as branch connections At points where cyclic stresses are very low At points where there are only bending or compressive stresses
leak test Stress test ductility test Strength test
Fatigue cracking of piping systems may result from
a. b. c. d.
17.
What are the preferred NDE methods for detecting fatigue cracking? a. b. c. d.
18.
Expansion of these materials; Contraction of these materials Construction of these materials Decrease of these materials
The _______ shall be responsible to the owner-user for the requirements for design review, analysis, and evaluation of piping system. a. b. c. d.
20.
Eddy current testing ultrasonic A-scan testing, and / or possibly hammer testing Liquid penetrant testing, magnetic particle testing Visual testing, eddy current testing and / or possibly ultrasonic testing Acoustic emission testing, hydro-testing, and / or possibly ultrasonic testing
Water and aqueous solutions in piping systems may freeze and cause failure because of the a. b. c. d.
19.
Embrittlement of the metal due to it operating below its transition temperature Erosion or corrosion / erosion that thin the piping where it cracks Excessive cyclic stresses that are often well below the static yield strength of the material Environmental cracking caused by stress corrosion due to the presence of caustic, amine, or other substance.
API 570 mandates the inspection of deadlegs. Acid products and debris build up in deadlegs.
c.
The corrosion rate in deadlegs can vary significantly from adjacent active piping. d. Caustic products and debris build up in deadlegs. -----------------------------------End--------------------------------
