Free Practice API API-577 Exam Questions 2025

Stay ahead with 100% Free Welding Inspection and Metallurgy API-577 Dumps Practice Questions

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Total 112 Questions | Updated On: Apr 09, 2025

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Question 1

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

A : Hammering

B : Mechanical stress relieving

C : Needle gunning

D : Peening

Answer: D

Question 2

One of the main differences between welding nickel alloys and austenitic stainless steels is that with nickel alloys:

A : Interpass temperature control is not needed.

B : There is less susceptibility to cracking from contaminants.

C : There is less susceptibility to lack of fusion.

D : The weld pool tends to be sluggish.

Answer: D

Question 3

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

A : Yield.

B : Strain.

C : Stress.

D : Plasticity.

Answer: B

Question 4

What is the purpose of the IQI?

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 5