Section 8A - Repairs, Alterations & Rerating (API 570 pg 62-64)

Question 1

1. When repairs are conducted on a piping system, the repairs should meet the requirements of the API 570 and:

A. ASME Section VIII
B. ASME B31.3
C. ASME B31.3 or the original construction code
D. Any piping code selected by the Engineer

Answer 1

C. ASME B31.3 or the original construction code

Question 2

2. All repair and alteration work must be performed by:

A. A jurisdictional agency
B. A Repair Organization
C. The Authorized Inspection Agency
D. Anyone approved by the Piping Inspector

Answer 2

B. A Repair Organization

Question 3

3. Before work is started, all repair & alterations to piping systems must be authorized by the:

A. Authorized Inspector
B. Piping Engineer
C. Authorized Inspector and Piping Engineer
D. Authorized Inspector or Piping Engineer

Answer 3

A. Authorized Inspector

Question 4

4. Before the work is started, all repairs to piping systems must be authorized by the:

A. Authorized Inspector
B. Piping Engineer
C. Authorized Inspector and Piping Engineer
D. Authorized Inspector or Piping Engineer

Answer 4

A. Authorized Inspector

Question 5

5. Before the work is started, all piping alterations must be authorized by the:

A. Authorized Inspector
B. Piping Engineer
C. Authorized Inspector and Piping Engineer
D. Authorized Inspector or Piping Engineer

Answer 5

C. Authorized Inspector and Piping Engineer

**Ask Mark Smith to clarify this question.

Question 6

6. Who designates needed inspection hold points during repairs and alterations of piping?

A. Authorized Inspector
B. Piping Engineer
C. Authorized Inspector and Piping Engineer
D. Authorized Inspector or Piping Engineer

Answer 6

A. Authorized Inspector

Question 7

7. An inspector may give prior general authorization for limited repairs provided that:

A. These repairs will not require a pressure test
B. These repairs will not require any NDE Examinations
C. These repairs are done only to P1 or P3 materials
D. The inspector is satisfied with the competency of the Repair Organization

Answer 7

D. The inspector is satisfied with the competency of the Repair Organization

Question 8

8. An old piping system has experienced significant corrosion. About 250 ft of an 8 NPS SA-106 piping is being replaced. This activity must be authorized by the:

A. Authorized Inspector
B. Piping Engineer
C. Authorized Inspector and Piping Engineer
D. Authorized Inspector or Piping Engineer

Answer 8

A. Authorized Inspector

Question 9

9. An old piping system has experienced significant corrosion. The 125 ft of 6 NPS SA-53-B piping system will be upgraded with 9 Cr piping. This activity must be authorized by the:

A. Authorized Inspector
B. Piping Engineer
C. Authorized Inspector and Piping Engineer
D. Authorized Inspector or Piping Engineer

Answer 9

C. Authorized Inspector and Piping Engineer

Question 10

10. Prior to completing a piping system repair, all proposed materials must be approved by the:

A. Authorized Inspector
B. Piping Engineer
C. Authorized Inspector and Piping Engineer
D. Authorized Inspector or Piping Engineer

Answer 10

D. Authorized Inspector or Piping Engineer

Question 11

11. During alterations most of the code requirements come from:

A. API 570
B. ASME B31.3
C. ASME B31.3 or the original construction code
D. The original construction code

Answer 11

C. ASME B31.3 or the original construction code

Question 12

12. Prior to a piping system repair, all proposed NDE and testing must be approved by the:

A. Authorized Inspector
B. Piping Engineer
C. Authorized Inspector and Piping Engineer
D. Authorized Inspector or Piping Engineer

Answer 12

D. Authorized Inspector or Piping Engineer

Question 13

13. During piping system alterations, hold points shall be designated by:

A. The Authorized Inspector
B. The Piping Engineer
C. Authorized Inspector and Piping Engineer
D. Authorized Inspector or Piping Engineer

Answer 13

A. The Authorized Inspector

Question 14

14. Who should approve on-stream welding of in-service piping systems?

A. Authorized Inspector
B. Piping Engineer
C. Both Authorized Inspector and the Piping Engineer
D. Corporate Metallurgist
E. Owner/User

Answer 14

E. Owner/User

Question 15

15. Weld repair of cracks that have occurred on in-service piping should NOT be attempted without consulting the:

A. Authorized Inspector
B. Piping Engineer
C. Inspector & Engineer
D. Either the inspector or Engineer
E. Fitness for service expert

Answer 15

B. Piping Engineer

Question 16

16. During repairs or alterations, who should approve work at designated hold points?

A. Authorized Inspector
B. Piping Engineer
C. Authorized Inspector and Piping Engineer
D. Authorized Inspector or Piping Engineer

Answer 16

A. Authorized Inspector

Question 17

17. Once a piping repair is complete, who should approve the finished work?

A. Authorized Inspector
B. Piping Engineer
C. Authorized Inspector and Piping Engineer
D. Authorized Inspector or Piping Engineer

Answer 17

A. Authorized Inspector

Question 18

18. Once piping system alteration work is complete, the finished work should be approved by:

A. The Authorized Inspector
B. The Piping Engineer
C. Both Authorized Inspector and Piping Engineer
D. Either Authorized Inspector or Piping Engineer

Answer 18

A. The Authorized Inspector

Question 19

19. A 24 NPS carbon steel elbow is being replaced. Once the elbow installation is completed, who should check that the work was done correctly?

A. Authorized Inspector
B. NDE Examiner
C. Piping Engineer
D. Either inspector or Piping Engineer

Answer 19

A. Authorized Inspector

Question 20

20. A new 4 NPS line is being tied into a 12 NPS Schedule 160 chrome pipe. The unit startup is dependent on the completion of this work. Due to the critical timing, it is extremely important that this tie-in is in the designed location. Once the Repair Organization marks the tie-in location on the 12 NPS pipe, who should verify that the tie-in location is correct?

A. NDE Examiner
B. Owner/User
C. Maintenance Department personnel
D. Authorized Inspector

Answer 20

D. Authorized Inspector

Question 21

21. A full encirclement welded split sleeve shall be designed by:

A. The Authorized Inspector
B. The piping engineer
C. A professional Engineer
D. A fitness for service consultant

Answer 21

B. The piping engineer

Question 22

22. Longitudinal cracks on in-service piping systems shall NOT be repaired using a fillet-welded patch unless:

A. proper NDE has been performed and reviewed by the Authorized Inspector.
B. proper NDE has been performed and reviewed by the Piping Engineer
C. The all-knowing Piping Engineer uses a crystal ball and foresees that the crack will not grow beyond the clamp
D. The piping Engineer determines, without a crystal ball, that the crack will not grow beyond the clamp

Answer 22

D. The piping Engineer determines, without a crystal ball, that the crack will not grow beyond the clamp

Question 23

23. A deep longitudinal crack is discovered on a straight run length of 48” pipe. Based on expert analysis, it is expected that crack will grow. Which of the following repairs could be performed?

A. Fillet-welded split sleeve
B. Flush Patch
C. Non-welded pipe clamp
D. Non-welded pipe clamp with stays to account for axial forces

Answer 23

B. Flush Patch

Question 24

24. A deep corroded area is found on a pipe system. A temporary repair may be made by fillet welding a split sleeve as long as the specified minimum yield strength of the pipe is: (Open book)

A. ≤ 20,000 psi
B. ≥ 20,000 psi
C. ≤ 40,000 psi
D. ≥ 40,000 psi
E. ≤ 70,000 psi
F. ≥ 70,000 psi

Answer 24

C. ≤ 40,000 psi

Question 25

25. In which of the following situations is a fillet weld patch NOT allowed? A. An 8 NPS pipe having a yield strength of 30,000 psi B. A 16 NPS pipe needing a rectangular 6" patch with 1" radius corners C. A 36 NPS refractory lined pipe needs a patch installed on top of an existing patch D. A 10 NPS pipe needs a round 4" diameter patch

Answer 25

C. A 36 NPS refractory lined pipe needs a patch installed on top of an existing patch

Question 26

26. The new materials used for temporary welded repair shall: A. Match the base metal unless the material is approved by the Piping Engineer. B. Have a carbon content less than 0.035% C. Meet the requirements of ASME BPV Section II D. Must have a yield strength greater than 40,000 psi

Answer 26

A. Match the base metal unless the material is approved by the Piping Engineer.

Question 27

27. A fillet-weld patch is installed on a 4 NPS pipe (I.D. about 4.0"). The patch is 0.250" thick. How close can this patch be to another fillet-welded patch? (Open book) A. 0.25" B. 1.0" C. 2.8" D. 4.0"

Answer 27

C. 2.8"

Question 28

28. A fillet-weld patch is installed on a 12 NPS pipe (I.D. about 12.0"). The patch is 0.375" thick. How close can this patch be to another fillet-welded patch? (Open book) A. 3.0" B. 6.0" C. 8.5" D. 14.7"

Answer 28

B. 6.0"

Question 29

29. A fillet-weld patch is installed on a 24 NPS XS pipe. The patch is 0.750" thick. How close can this patch be to another fillet-welded patch? (Open book) A. 9.8" B. 12" C. 13.8" D. 17"

Answer 29

B. 12"

Question 30

30. A fillet weld patch is installed on an in-service pipe. What must be done prior to welding? A. Select repair materials with a carbon content greater than 0.35% B. An inspector determines that wall thickness is adequate for welding. C. Get approval from the Jurisdiction D. Engineer should design the patch to the requirements of API 579

Answer 30

B. An inspector determines that wall thickness is adequate for welding.

Question 31

31. A split sleeve patch is welded to an in-service pipe. Prior to welding, who must ensure that adequate thickness remains in the vicinity of the weld? A. Authorized inspector B. NDE Examiner C. Both NDE Examiner and Inspector D. Either NDE examiner or Inspector

Answer 31

A. Authorized inspector

Question 32

32. In which situation should in-service welding (active process is in the pipe) NOT be conducted? A. All Class 1 piping systems B. Caustic Services C. Ethane, propane or butane services D. Hydrogen services

Answer 32

B. Caustic Services

Question 33

33. A leak in a Class 1 line will be repaired with a welded patch while the pipe is operational. Who must determine if this work can be done safely? A. Owner/User B. Piping Engineer C. Operation's Foreman D. Both the Owner/User and Piping Engineer

Answer 33

B. Piping Engineer

Question 34

34. Temporary welded repairs on piping should be removed and replaced with a permanent repair: A. Within the next 6 months B. Within the next year C. Prior to the next External Inspection D. During the next maintenance opportunity

Answer 34

D. During the next maintenance opportunity

Question 35

35. Temporary welded repairs may remain in place past the next maintenance opportunity, only if approved and documented by the: A. Authorized Inspector B. Owner/User C. Piping Engineer D. Authorized Inspect and Piping Engineer

Answer 35

C. Piping Engineer