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

The essential variables used during production welding

Answer

The welder's certification history and training records

Answer

The inspector's acceptance criteria for the weld joint

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 the weld pass sequence

Answer

A change in the welding position from 1G to 2G

Answer

A reduction in preheat temperature within the allowed range

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

Hardness testing and Charpy impact testing

Answer

Radiographic testing and ultrasonic testing

Answer

Fillet weld break test and macro examination

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

3/4 inch only

Answer

3/8 inch to 1-1/2 inches

Answer

1 inch maximum

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 Welding Procedure Specification (WPS)

Answer

The Procedure Qualification Record (PQR)

Answer

The contract drawings

Question 6

What is the primary purpose of a Welding Procedure Specification (WPS)?

Accepted Answer

To provide direction to the welder for making code-compliant welds

Answer

To certify that a welder is skilled for a given process

Answer

To record the test results of a procedure qualification weld

Answer

To list the mechanical properties of the base metal

Question 7

Under ASME Section IX, supplementary essential variables become essential only when which condition exists?

Accepted Answer

Impact testing is required by the construction code

Answer

The base metal thickness exceeds 1.5 inches

Answer

The welding position is changed from flat to overhead

Answer

The filler metal classification changes