Question 1

What is the purpose of the IQI?

Options :

A : Determining that the required sensitivity of the radiograph is achieved

B : Marking the radiographs with a definite identifying characteristic

C : Ascertaining how much radiation the source has penetrated the material

D : Establishing the depth that the radiation source penetrates

Answer: A

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

What term is used to describe the mechanical working of metals using impact blows?

Options :

A : Hammering

B : Mechanical stress relieving

C : Needle gunning

D : Peening

Answer: D

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

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

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