1.
Whic Which ho off the the fol follo lowi wing ng is is true true of “dea “deadl dleg egs” s” in a pipi piping ng syst system em? ? a. b. c. d.
2.
NDT ca cannot be do done on on 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 ver very y sig signi nifi fica cant ntly ly fro from m adj adjac acen entt pip pipin ing g None of the above
Whic Which h of the the foll follow owin ing g is a desc descri ript ptio ion n of of a “re “repa pair ir org organ aniz izat atio ion” n”? ? a.
An owner or user of piping systems who repairs or alters his or her own equipment in accordance with API 570 b. A contractor contractor whose qualifications are acceptable acceptable to the owner owner or user of piping systems and who makes repairs or alterations according to API 570 c. One One who who is auth author oriz ized 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 juri jurisd sdic icti tion on and and who who make makes s repa repair irs s or alterations according to API 570 d. All All o off the the abo above ve
3.
What hat doe does s th the ac acrronym nym CUI CUI rep repres resent? nt? a. b. c. d.
4.
Cracking Under Insulation Covered Under Insurance Corrosion Under Insulation Corrosion Under Inspection
Repair on on pi piping sy system wo would a. b. c. d.
Rest Restor ore e pip pipin ing g to to inte intend nded ed desi design gn co cond ndit itio ions ns Change the design conditions Require re re-rating to to be be carried ou out None of the above
5.
Which of the following best describes auxiliary piping? a. b.
c. d. 6.
Post weld heat treatment is carried out: a. b. c. d.
7.
Before PWHT After PWHT and before painting After PWHT and painting Anytime is okay
Basic construction code referred in API 570 is a. b. c. d.
9.
To increase Hardness To increase Tensile strength To release locked-up stresses in the weld and improve ductility None of the above
In case of piping requiring PWHT Pressure test is conducted a. b. c. d.
8.
Any piping which is extra to the main piping run can be considered as auxiliary piping. Instrument and machinery piping, typically small bore secondary process piping that can be isolated from primary piping system. Any piping which is less than 1.0 inch N.B All of the above
ASME ASME ASME ASME
Sec. VIII DIV 1 Sec. IX B 31.1 B 31.3
Which of the following defines the term hold point? a. A pipe hanger that utilizes springs and sliding shoes to accommodate expansion and contraction b. A dog welded onto piping and used to align joints prior to welding c. A point beyond which work may not proceed until inspections have been performed and documented d. A trunnion, gimbal, or sliding shoe used for piping support systems
10.
Which of the following changes on a piping could be termed as an alteration? a. b.
Addition of a reinforced nozzle of size equal to an existing nozzle Addition of a nozzle not requiring reinforcement
c.
d. 11.
API 570 was developed for the petroleum refining and chemical process industries. a. b. c. d.
12.
It It It It
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)
13.
Any change that effect the pressure containing capacity of the piping beyond the scope of items described in existing data reports Only “b” and “c”
Steam Air Water Hydrocarbon
Identify “dead legs” from the following. a. b. c. d.
Broken or damaged pipe supports Spare pump piping Both of above None of above
14.
In API-510, the term “RBI” means: a. b. c. d.
15.
S/A interface is taken as zone which is: a. b. c. d.
16.
Repairing Before Inspection Report Based Inspection Repair Based Inspection Risk Based Inspection
12 inches above soil 12 inches below soil 12 inches below and 6 inches above soil a and b above
Part of piping installation exhibiting similar corrosivity and similar design conditions is called: a. b. c. d.
Piping system Piping Spool Piping Circuit None of the above
17. What is the minimum time that a leak test must be maintained as per B 31.3? a. b. c. d. 18.
60 45 30 10
minutes minutes minutes minutes
“TML” in API 570 means: a. b. c. d.
Thickness monitoring line Thickness measuring location Thickness measurement location None of the above
19.
Performing impact test requires testing of a set of: a. b. c. d.
20.
Three specimen At least two specimen Minimum three specimen Maximum three specimen
Hot tapping is best described by statement: a.
b. c. d.
It is technique of heating the pipe to specified temperature and gently tapping with 1lb. rounded hammer to detect thinning of pipe wall It is technique of providing a tapping connection while pipe system is in operation It is technique of fixing a water tap on hot water lines for use during winter It is an act of using the tap and die for threading the pipe when the pipe is hot --------------------------End-------------------------------
ANSWER KEY
Q. 1 2 3 4 5
ANS. C D C A B
API API API API API
REFERENCE 570, 5.3.2 570, 3.38 570, 3.8 570, 3.37 570, 3.6
Q. 29 30 31 32 33
ANS.
REFERENCE
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
C B D C C B C B D C C D C A B --------
B 31.3, 331 B 31.3, 345.1 API 570, 3.3 API 570, 3.13 API 570, 3.1 API 570, 1.1.2 B 31.3, 345.4.1 API 570, 3.9 API 570, 5.1 API 570, 3.42 API 570, 3.31 B 31.3, 345.22 API 570, 3.47 B 31.3, 323.3.3 General Knowledge -----------------------------
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
