API 510 Chapter 5

API 510 Chapter 5 Repair, Alteration, Re-rating (Section 8)

Take a Free API 510 Exam Chapter 5 Practice test with Latest Repair, Alteration, Re-rating (Section 8) Question, and Answers

1.

Q1. API 510 section 8.1.1: repairs and alterations
What repair and alteration activities is the API inspector able to authorize alone (before the repair organization starts work)without reference to the engineer?

 (a) Repairs to ASME VIII Division 1 vessels.

 (b) Repairs or alterations to ASME VIII Division 1 vessels

 (c) Repairs to any ASME VIII vessels

 (d) Repairs or alterations to any ASME VIII vessels

2.

Q2. API 510 section 8.1.5.1.1: temporary repairs
Temporary repairs may remain in place past the first opportunity for replacement if:

 (a) The engineer gives approval

 (b) The inspector gives approval

 (c) The details are properly evaluated and documented

 (d) All of the above

3.

Q3. API 510 section 8.1.5.1.2: temporary repairs: fillet welded patches
Generally speaking, fillet-welded patches are unlikely to be suitable for providing a temporary repair to parts for a pressure vessel containing:

 (a) Extensive corrosion

 (b) Deep corrosion

 (c) Cracks

 (d) All of the above

4.

Q4. API 510 section 8.1.5.1.3: temporary lap band repairs
The circumferential fillet welds attaching a lap band repair to a vessel shell should be designed with an assumed joint efficiency of:

 (a) 1

 (b) 0.7

 (c) 0.45

 (d) Appropriate to the applicable design code

5.

Q5. API 510 section 8.1.5.2.2: flush insert plate repairs
Flush insert patches may be used to repair corroded shell plates as long as:

 (a) Welds are full penetration

 (b) PT/MT is performed on the completed welds

 (c) PT/MT is performed on weld root runs and the completed welds

 (d) Welds have a minimum joint efficiency of 0.8

6.

Q6. API 510 section 8.1.5.3.2: weld overlay repairs
A weld overlay repair stands ‘proud’ of the surface of the vessel shell. The inspector should:

 (a) Accept the weld

 (b) Specify that the increased thickness be blended to a3:1 taper.

 (c) Seek approval from the engineer

 (d) Reject the weld

7.

Q7. API 510 section 8.1.5.4.4: repair to P3, P4, and P5 stainless steels
Weld repairs to P3, P4, and P5 stainless steels in any service require specific UT testing for:

 (a) Immediate post-weld cracking in the HAZ

 (b) Outgassing problems

 (c) Delayed cracking in the base metal.

 (d) Type IV creep cracking, delayed by 24 hours after welding

8.

Q8. API 510 section 8.1.6.4: PWHT
The API 510 approach to PWHT is that:

 (a) The ASME code is mandatory

 (b) The applicable construction code is mandatory

 (c) Approved alternative procedures to those in construction codes are allowed

 (d) The engineer and inspector make the final decision on what is acceptable

9.

Q9. API 510 section 8.1.6.4.1(c): local PWHT
What is the minimum preheat that must be maintained during a repair that will have local PWHT?

 (a) 150 °C.

 (b) 150 °F

 (c) 300 °C

 (d) It depends on the material thickness

10.

Q10. API 510 section 8.1.6.4.2.3(b): preheat method in lieu of PWHT
CD welding in lieu of PWHT can only be used on:

 (a) P1 and P3 steels

 (b) P1, P3, and P4 steel

 (c) P1 groups 1, 2, 3, and P3 groups 1, 2 sheets of steel

 (d) P1 groups 1, 2, 3, and P4 group 1 steel

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