API-577 practice question 13 of 25

General awareness of metallurgy is important to the welding inspector because:

Answer options

A: Welding processes can affect both mechanical and corrosion properties of a weldment. Correct answer

B: The crystalline structure of base metals affects the resulting structure of the weld.

C: Physical properties of the final weldment can be significantly affected by preheat and postweld heat treatment (PWHT).

D: A thorough knowledge of weld metal structures is necessary to understand weldability.

Correct Answer:

A. Welding processes can affect both mechanical and corrosion properties of a weldment.

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