Question 1

To reduce exposure to moisture of low-hydrogen electrodes after they have been removed from the manufacturers packaging, they should be stored:

Options :

A : Under low humidity conditions.

B : In warm holding ovens.

C : In sealed plastic containers.

D : In tightly sealed ovens.

Answer: B

Question 2

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 3

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

Question 4

The change in shape (deformation) that a test specimen experiences when it is stressed or loaded is called:

Options :

A : Yield.

B : Strain.

C : Stress.

D : Plasticity.

Answer: B

Question 5

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

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