API 510 Repair, Alteration & Rerating Procedures

Question 1

What is the main objective of a repair procedure on a pressure vessel?

Accepted Answer

To ensure the vessel meets minimum wall thickness requirements

Answer

To enhance the aesthetic appeal.

Answer

To modify the operating fluid.

Answer

To increase the vessel weight.

Question 2

Which code governs the repair and alteration of pressure vessels?

Accepted Answer

NBIC

Answer

ASME Section II.

Answer

OSHA Standard 1910.

Answer

ANSI B31.1

Question 3

What must be done before rerating a pressure vessel?

Accepted Answer

Conduct engineering calculations and obtain authorization

Answer

Change the insulation material.

Answer

Apply a new paint coating.

Answer

Replace the pressure relief valve only.

Question 4

Who must authorize repairs on a pressure vessel?

Accepted Answer

An authorized inspector

Answer

The plant operator.

Answer

The design engineer.

Answer

The cleaning crew supervisor.

Question 5

When is rerating of a vessel required?

Accepted Answer

When increasing the pressure or temperature rating

Answer

During annual painting.

Answer

When changing operators.

Answer

After cleaning the vessel.

Question 6

What is typically required after a major alteration on a vessel?

Accepted Answer

A pressure test and authorized inspection

Answer

A change in vendor.

Answer

Only a visual inspection.

Answer

An insurance review.

Question 7

What document records the details of a repair?

Accepted Answer

An NBIC Repair Form R-1

Answer

A marketing flyer.

Answer

A material test report.

Answer

A quality survey.

Question 8

What is the role of a repair organization?

Accepted Answer

To perform authorized vessel repairs

Answer

To design new vessels.

Answer

To operate the plant.

Answer

To conduct financial audits.

Question 9

How should alterations be handled on coded vessels?

Accepted Answer

According to NBIC with inspector approval

Answer

By skipping documentation.

Answer

By changing the asset tag.

Answer

Using outdated blueprints.