Question 1

A four-digit designation for a SMAW electrode under AWS classification uses the third digit to define the:

Options :

A : Coating characteristics.

B : Chemical composition.

C : Strength of the filler metal.

D : Welding position.

Answer: D

Question 2

Crater cracks typically occur:

Options :

A : In weld metal at the point where the arc terminates.

B : In the HAZ at the point where the arc initiates.

C : In weld metal at the point where the arc initiates.

D : In the HAZ at the point where the arc terminates.

Answer: A

Question 3

A-number groupings are based upon the:

Options :

A : Chemical composition of the deposited weld metal.

B : Comparable base metal ultimate strength values.

C : Weldability characteristics of the metal.

D : Type and strength of base metal.

Answer: A

Question 4

When verifying that the filler metal selection is appropriate for the base metal being welded, an inspector should consider:

Options :

A : Chemical composition.

B : Tensile strength to be higher than the base metal.

C : Acceptability of physical properties.

D : Need for postweld heat treatment (PWHT).

Answer: A

Question 5

To reduce the possibility of cracking, which of the following maximum hardness levels is required for weldments in wet H2S service?

Options :

A : HRC 20

B : HRC 22

C : HRC 25

D : HRC 32

Answer: B

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