API 510 API 510 Welding Procedures and Qualifications

Question 1

According to API 510 and ASME Section IX, who is responsible for qualifying welding procedures used in pressure vessel repair?

Accepted Answer

The owner/operator or their contractor

Answer

The insurance company

Answer

The local jurisdiction authority

Answer

The original equipment manufacturer

Question 2

What document records the specific variables tested during welding procedure qualification per ASME Section IX?

Accepted Answer

Procedure Qualification Record (PQR)

Answer

Welding Procedure Specification (WPS)

Answer

Welder Performance Qualification (WPQ)

Answer

Material Test Report (MTR)

Question 3

When a welder has not welded with a qualified process for more than 6 months, what is required per ASME Section IX?

Accepted Answer

Requalification of the welder

Answer

A new WPS must be written

Answer

A PQR must be rerun

Answer

A radiographic examination of past welds

Question 4

Under API 510, which ASME standard governs the qualification of welding procedures and welders for pressure vessel repairs?

Accepted Answer

ASME Section IX

Answer

ASME Section V

Answer

ASME Section VIII Div. 1

Answer

ASME B31.3

Question 5

A welding procedure qualified using a P-1 base metal is generally acceptable for welding which other P-number groups?

Accepted Answer

It depends on the essential variables specified in the WPS

Answer

All P-number groups without restriction

Answer

Only P-1 materials

Answer

Only P-1 and P-3 materials

Question 6

In API 510 repair welding, preheat and interpass temperature requirements are primarily determined by which factor?

Accepted Answer

Base metal chemistry and thickness

Answer

The type of welding rod only

Answer

The ambient temperature at the job site

Answer

Inspector preference