AWS AWS Welding Codes & Standards 4

Question 1

Which AWS standard governs structural welding of steel and is most widely referenced in building construction?

Accepted Answer

AWS D1.1

Answer

AWS D1.1 Structural Welding Code—Steel is the primary standard for welding structural steel in buildings and bridges.

Question 2

Under AWS D1.1, what is the minimum preheat temperature required for A36 steel with a thickness greater than 1-1/2 inches when using SMAW?

Accepted Answer

150°F (65°C)

Answer

AWS D1.1 Table 4.5 requires a minimum preheat of 150°F for A36 steel thicker than 1-1/2 inches.

Question 3

AWS B2.1 is primarily concerned with which aspect of the welding industry?

Accepted Answer

Specification for Welding Procedure and Performance Qualification

Answer

AWS B2.1 covers the specification for welding procedure and performance qualification across multiple processes.

Question 4

Which document published by AWS defines requirements for the qualification of welding inspectors?

Accepted Answer

AWS QC1

Answer

AWS QC1 establishes the standard for AWS Certified Welding Inspector (CWI) qualification requirements.

Question 5

In AWS D1.1, a Prequalified Welding Procedure Specification (PWPS) must conform to all prequalified requirements so that which step can be omitted?

Accepted Answer

Procedure Qualification Testing (PQR testing)

Answer

A prequalified WPS exempts the fabricator from conducting destructive Procedure Qualification Record (PQR) testing.

AWS Practice Test