CWI WPS, PQR, and Welder Qualification 2

Question 1

A Procedure Qualification Record (PQR) documents which of the following?

Accepted Answer

The actual variables used and test results from the qualification weld

Answer

A PQR records the actual welding conditions and variables used during a test weld, along with the mechanical test results that qualified the WPS.

Question 2

Under AWS D1.1, which essential variable change to a WPS requires requalification of the procedure?

Accepted Answer

A change in the base metal P-number

Answer

A change in base metal P-number (or group number) is an essential variable that requires requalification of the welding procedure.

Question 3

When qualifying a welding procedure for groove welds using SMAW, what is the minimum required test for mechanical qualification?

Accepted Answer

Bend tests and tensile tests

Answer

AWS D1.1 requires both bend tests (side, face, or root) and tensile tests to mechanically qualify a groove weld procedure.

Question 4

A welder qualifies on a 3/4-inch thick plate in the 3G position. What is the maximum thickness the welder is qualified to weld in production under AWS D1.1?

Accepted Answer

Unlimited thickness

Answer

Under AWS D1.1, a welder who qualifies on plate 3/8 inch or thicker is qualified for unlimited thickness in production.

Question 5

Which document authorizes a welder to perform production welding on a specific project?

Accepted Answer

The Welder Qualification Test Record (WQTR)

Answer

The Welder Qualification Test Record (WQTR) documents that a specific welder has demonstrated the skill to weld using a given process and position.

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CWI WPS, PQR, and Welder Qualification 2