AWS AWS Welding Codes & Standards 5

Question 1

AWS D1.5 applies specifically to welding of which type of structure?

Accepted Answer

Highway bridges

Answer

AWS D1.5 Bridge Welding Code governs the welding of highway bridges in the United States.

Question 2

What is the primary purpose of a Procedure Qualification Record (PQR) under AWS standards?

Accepted Answer

To record the actual variables used during test welds and the test results that qualify a WPS

Answer

A PQR documents the essential variables and test results from a qualification weld, supporting the validity of the corresponding WPS.

Question 3

Under AWS D1.1, which discontinuity type is NEVER permitted regardless of size in a cyclically loaded tension member?

Accepted Answer

Cracks

Answer

AWS D1.1 has a zero tolerance for cracks in any weld subjected to cyclic tensile loading because they propagate under fatigue.

Question 4

The AWS A5 series of standards primarily covers which category of welding materials?

Accepted Answer

Filler metals and consumables

Answer

The AWS A5 series establishes specifications for filler metals including electrodes, rods, and fluxes for all welding processes.

Question 5

Which essential variable change in a WPS always requires requalification under AWS D1.1?

Accepted Answer

A change from one P-number base metal group to a different, non-qualified group

Answer

Changing base metal P-number groups beyond those qualified by the PQR is an essential variable that mandates requalification.

AWS Practice Test