Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

API 570 > Section 8B - Repairs, Alterations & Rerating ( API 570 pg 64-67) > Flashcards

Section 8B - Repairs, Alterations & Rerating ( API 570 pg 64-67) Flashcards

1
Q
  1. When weld build-up is performed in a corroded area, the:

A. Electrode strength must exceed the base metal strength
B. Surface irregularities should be ground smooth
C. Total repair depth is limited to 25% of the nominal pipe thickness
D. Total repair depth is limited to 50% of the nominal pipe thickness

A

B. Surface irregularities should be ground smooth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
  1. Which of the following is considered a permanent repair to a piping system?

A. Insert flush welded patch
B. Full encirclement lap band
C. Non-metallic patch
D. Non-penetrating fillet patches

A

A. Insert flush welded patch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  1. An insert patch is installed on a class 3 pipe. Which is NOT an API 570 requirement?

A. Repair plan must be authorized by the Authorized Inspector.
B. Patch must have full-penetration groove welds
C. Corner radius on the patch must be at least 1”
D. Completed weld must be 100% inspected using either RT or UT

A

D. Completed weld must be 100% inspected using either RT or UT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  1. An insert patch is installed on a Class 2 pipe. Which is NOT an API 570 requirement?

A. Repair plan must be authorized by the Authorized Inspector.
B. Patch must have full-penetration groove welds
C. Corner radius on the patch must be at least twice the pipe’s thickness
D. Completed weld must be 100% inspected using either RT or UT

A

C. Corner radius on the patch must be at least twice the pipe’s thickness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  1. Which is NOT a requirement when installing an insert plate (flush patch) on a piping system?

A. The patch-to-pipe weld must have complete penetration and complete fusion
B. The patch must be rectangular (with rounded corners)
C. The patch must have rounded corners with a 1” minimum radius
D. Class 1 and Class 2 systems must be 100% inspected with either RT or UT

A

B. The patch must be rectangular (with rounded corners)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
  1. Per API 570, what is the minimum allowed corner radius for an insert patch?

A. 1”
B. 2”
C. 3”
D. 6”

A

A. 1”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  1. Profile RT of a pipe shows a circ weld with significant internal corrosion. A non-welded clamp is placed/used. What significant factor should be considered in the design of the clamp?

A. Susceptibility to SCC
B. Pipe Class
C. Potential effects of axial forces
D. Clamp material must match the base material

A

C. Potential effects of axial forces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. Temporary non-welded repairs: (two answers - code conflict)

A. May remain in place indefinitely if approved by the Piping Engineer.
B. Must be authorized by the Owner/User
C. Must be replaced at the next opportunity
D. Must be made from materials with a yield stress less than 40,000 psi

A

A. May remain in place indefinitely if approved by the Piping Engineer.
C. Must be replaced at the next opportunity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  1. The procedures for pumping any leak sealing fluids used during leak repair shall be reviewed and approved by:

A. The Authorized Inspector
B. The piping Engineer
C. Both the Inspector & Engineer
D. Either the Inspector or Engineer

A

D. Either the Inspector or Engineer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  1. A bolted clamp at a flange begins to leak. What is a significant concern?

A. The potential for a gasket blow-out
B. Corrosion or stress corrosion cracking of the bolts
C. Fatigue cracking at flange face
D. Hydraulic pressure from the expansion of the leak sealing fluid

A

B. Corrosion or stress corrosion cracking of the bolts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
  1. More information about making permanent and temporary piping repairs can be found in:

A. API 598
B. API 651
C. ASME B31.G
D. ASME PCC-2

A

D. ASME PCC-2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  1. All repair an alteration welding shall be performed in accordance with:

A. API 571
B. API 577
C. ASME Section IX
D. ASME B31.3
E. ASME B31.3 or the pipe’s construction code

A

E. ASME B31.3 or the pipe’s construction code

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  1. Any welding conducted on in-service piping must be performed in accordance with:

A. API 571
B. API 577
C. API 579
D. API 2201

A

D. API 2201

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
  1. The Repair Organization shall use welders and welding procedures qualified in accordance with either the construction code or:

A. API 1104
B. ASME B31.1
C. ASME B31.3
D. AWS D1.1

A

C. ASME B31.3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  1. Who shall maintain records of the WPSs and WPQs that are used during repairs and alterations?

A. Maintenance Department
B. Owner/User
C. Authorized Inspection Agency
D. Repair Organization

A

D. Repair Organization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. During repairs and alterations, all welding procedures (WPSs) shall:

A. Be available to the Authorized Inspector
B. Be qualified by the Owner/User
C. Be signed by the Repair Organization
D. Use the WPS form provided in ASME Section IX

A

A. Be available to the Authorized Inspector

17
Q
  1. During repairs and alterations, all welder performance qualifications (WPQs) shall:

A. Be reviewed by the Owner/User
B. be available to the Authorized Inspector
C. be signed by the Authorized Inspector
D. Use the WPQ form provided in ASME section IX

A

B. be available to the Authorized Inspector

18
Q
  1. During piping repairs and alterations, welding records shall be:

A. Available to the authorized inspector prior to any welding being performed
B. Provided in both paper and electronic versions
C. Completed on the sample forms provided in ASME section IX
D. Reviewed by a certified welding engineer

A

A. Available to the authorized inspector prior to any welding being performed

19
Q
  1. Preheat temperature and PWHT used in making welding repairs on piping systems shall be in accordance with the:

A. Applicable code
B. Qualified welding procedure
C. Applicable code and the qualified welding procedure
D. Applicable code or the qualified welding procedure

A

C. Applicable code and the qualified welding procedure

20
Q
  1. Who can allow exceptions to code Preheat requirements on temporary repairs?

A. Owner/ user
B. Piping engineer
C. Either the inspector or piping engineer
D. Exceptions to Preheat temps are not allowed

A

B. Piping engineer

21
Q
  1. When is substituting Preheat for a postweld heat treatment NOT recommended?

A. P1 and P3 materials
B. P1 materials
C. Piping systems with wall thickness requiring weld build up
D. Piping systems subject to stress corrosion cracking
E. When your father-in-law owns stock in the local PWHT company

A

D. Piping systems subject to stress corrosion cracking

22
Q
  1. Who shall authorize exceptions to code specified PWHT requirements on temporary repairs?

A. Authorized inspector
B. Owner/ user
C. Piping engineer
D. Either the inspector or piping engineer
E. Exceptions to PWHT temps are not allowed

A

C. Piping engineer

23
Q
  1. Which of the following is NOT a requirement when a local postweld heat treatment is substituted for a 360 degree PWHT band? (Open Book)

A. Minimum Preheat temperature is 300°F
B. The procedure is reviewed and approved by the piping engineer
C. The piping is not subject to environmental cracking
D. The PWHT temperature is maintained at least 6” from the weld

A

D. The PWHT temperature is maintained at least 6” from the weld

24
Q
  1. A local postweld heat treatment is substituted for a 360° postweld heat treatment band. What is the minimum number of thermocouples that must be used to monitor this PWHT?

A. 1
B. 2
C. 3
D. 4
E. 6
F. None are needed, who really cares?

A

B. 2

25
Q
  1. Possible heat treatment is needed. In which of the following services is a local postweld heat treatment NOT allowed?

A. Class 1 piping
B. Class 1 & 2piping
C. Caustic piping
D. Hydrogen piping

A

C. Caustic piping

26
Q
  1. During a piping repair, if a preheat is substituted for a post-weld heat treatment, who is required to review the substitution?

A. Authorized inspector
B. Owner/ user
C. Piping engineer
D. Repair organization (Have the Fox guard the Hen-House)

A

C. Piping engineer

27
Q
  1. Welding is performed on an in-service pipe. If a controlled deposition welding is substituted for a PWHT, who is required to review the substitution?

A. Authorized Inspector
B. Owner/ User
C. Piping engineer
D. Both the inspector and piping engineer

A

C. Piping engineer

28
Q
  1. Substituting preheat for a PWHT is generally NOT recommended for:

A. P1 and P3 materials
B. P3, P4 and P5 materials
C. Pipe with wall thickness exceeding 1-1/2”
D. Pipe subject to stress corrosion cracking

A

D. Pipe subject to stress corrosion cracking

29
Q
  1. During a pipe repair or alteration, when can preheating be used as an alternative for PWHT?

A. For some P1 and P3 materials
B. For some P1, P3 and P4 materials
C. For some P3, P4 and P5 materials
D. Whenever the inspector reviews and approves the procedure

A

A. For some P1 and P3 materials

30
Q
  1. What welding processes can be used when using preheat as a substitute for PWHT?

A. Only SMAW and SAW
B. Only SMAW and GMAW
C. Only SMAW and GTAW
D. Only SMAW, FCAW, GMAW and GTAW
E. Only SMAW, SAW, GMAW and GTAW
F. Any welding process the engineer approves

A

D. Only SMAW, FCAW, GMAW and GTAW

31
Q
  1. If preheating is performed in lieu of a PWHT, what is the minimum preheat temperature that must be maintained during welding?

A. 250°F
B. 300°F
C. 500°F
D. 600°F

A

B. 300°F

32
Q
  1. Preheating is used in lieu of PWHT. What is the maximum allowed interpass temperature? (Open Book)

A. 250°F
B. 300°F
C. 500°F
D. 600°F

A

D. 600°F

33
Q
  1. A 0.500” thick carbon pipe is being replaced. Preheating is performed in lieu of a PWHT. The preheat temperature must be maintained for a distance of: (Open Book)

A. 1” on each side of the weld.
B. 2” on each side of the weld.
C. 3” on each side of the weld.
D. 4” on each side of the weld.
E. 8” on each side of the weld.

A

D. 4” on each side of the weld.

34
Q
  1. A 1.500” thick carbon steel pipe is being replaced. Preheating is performed in lieu of a PWHT. The preheat temperature must be maintained for a distance of: (Open Book)

A. 1.5 “ on each side of the weld.
B. 3” on each side of the weld.
C. 6” on each side of the weld.
D. 8” on each side of the weld.

A

C. 6” on each side of the weld.

35
Q
  1. In which of the following situations can preheating NOT be used in lieu of PWHT?

A. If the weld procedure requires impact testing
B. P3 materials
C. P1 steel over 1.5” thick
D. Preheat can be used in all of the above

A

A. If the well procedure requires impact testing

36
Q
  1. When can Controlled-Deposition Welding NOT be used in lieu of PWHT?

A. If the Weld procedure requires impact testing
B. P4 materials
C. P1 steel over 1.5” thick
D. Controlled-Deposition Welding can be used in all of the above

A

D. Controlled-Deposition Welding can be used in all of the above

API 570 (16 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions