CWI WPS, PQR, and Welder Qualification 3

Question 1

A CWI is reviewing a WPS and notices the interpass temperature is not listed. What should the inspector do?

Accepted Answer

Verify whether the applicable code requires interpass temperature on the WPS

Answer

The inspector must verify whether the governing code requires interpass temperature to be listed on the WPS before accepting or rejecting it.

Question 2

Under AWS D1.1, how long is a welder's qualification valid if the welder has not used the process for more than 6 months?

Accepted Answer

The qualification expires and must be renewed

Answer

AWS D1.1 requires that a welder's qualification expires if the welder has not used the specific welding process for a period exceeding 6 months.

Question 3

Which of the following is classified as a non-essential variable in a welding procedure under ASME Section IX for SMAW?

Accepted Answer

A change in the weld groove design

Answer

Changes in groove design (such as from V-groove to U-groove) are non-essential variables and do not require requalification of the welding procedure.

Question 4

When qualifying a welder under AWS D1.1 using a groove weld test in the 2G position, which positions is the welder qualified to weld in production?

Accepted Answer

1G and 2G

Answer

Under AWS D1.1, a welder who qualifies in the 2G position is qualified for production welding in the 1G and 2G positions.

Question 5

The heat input formula for a welding process is expressed as:

Accepted Answer

(Amps × Volts × 60) / Travel Speed

Answer

Heat input = (Amps × Volts × 60) / Travel Speed (in inches per minute), giving a result in joules per inch.

CWI Practice Test