API 570 Closed Book Questions 1&2 Combined Exam Set Questions With Revised Correct Detailed Answers
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Course
API 570
Institution
API 570
API 570 Closed Book Questions
1&2 Combined Exam Set Questions
With Revised Correct Detailed
Answers
1) A piping repair is defined as : - ANSWER
the work necessary to
restore a piping system to a suitable safe condition
2) Temporary non welded repairs of thinned piping : - ANSWER...
API 570 Closed Book Questions
1&2 Combined Exam Set Questions
With Revised Correct Detailed
Answers
1) A piping repair is defined as : - ANSWER the work necessary to
restore a piping system to a suitable safe condition
2) Temporary non welded repairs of thinned piping : - ANSWER
must be designed to account for axial forces
3) Which of the following best defines a "linear indication"? - ANSWER
the length is at least three times the width
4) Per section IX, a bend test is considered acceptable if there is no
open defect greater than: - ANSWER 1/8"
5) What is the minimum radius for a flush repair patch on a large
diameter pipe? - ANSWER 1 inch
6) What document covers the safety aspects of welding on an in
service hydrocarbon line? - ANSWER API 2201
, 7) When making pipe system alterations, if a weld map is NOT used,
the welder must stamp: - ANSWER each weld personally made
8) Welded temporary repairs on pipe: - ANSWER may go past the
next maintenance window if approved by the engineer to
9) If a welder is qualified by using RT on a plate coupon, the total length
of weld radiographed must be at least: - ANSWER 6"
10) During a major repair, how many welds should be visually
examined? The pipe is classified as normal service. - ANSWER 5%
11) What is the total number of tests that must be conducted to qualify
a WPS? - ANSWER 2 tension tests and 4 bend tests
12) Profile RT is generally the preferred way to determine wall
thickness on pipe sizes: - ANSWER less than or equal to 1 NPS
13) Which of the following is suggested when a ruptured disc is
removed from its holder? - ANSWER replaced a ruptured disc with
a new disc
, 14) Excessive repairs to pump bearings may be a result of: - ANSWER
excessive forces coming from thermal growth in the attached piping
systems
15) Loose or broken anchor bolts at pipe supports are most easily
detected by: - ANSWER hammer-testing
16) During a pipe repair or alteration, when can controlled-deposition
welding be used as an alternative for post weld heat treatment? -
ANSWER for P1, P3, and P4 materials
17) Which of the following are significant factors in an RBI assessment
of a piping system vessel? - ANSWER process fluid and
effectiveness of past inspections
18) When UT readings are taking at higher temperatures, the hot
readings: - ANSWER will be larger than the actual thickness
19) Existing valve in severe cyclic temperature services should be
checked for: - ANSWER cracks
20) A primary location of deterioration in a swing check valve is the: -
ANSWER shaft and hinges
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