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API-577 Exam Dumps : Welding Inspection and Metallurgy Exam

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Welding Inspection and Metallurgy Exam Questions and Answers

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Question 1

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

Options:

A.

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

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.

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Question 2

To avoid burn through during in-service welding on thinner wall equipment, it is generally recommended to:

Options:

A.

Use larger diameter electrodes.

B.

Minimize weaving the bead.

C.

Maximize weaving the bead.

D.

Use high heat input.

Question 3

Rules for qualifying welding operators using radiography on a production weld require what minimum weld length to be examined?

Options:

A.

6 in. (150 mm)

B.

12 in. (300 mm)

C.

24 in.(600 mm)

D.

36 in. (900 mm)

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