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: Jun 05, 2025

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Question 1

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 2

Eddy current can be used to measure the:

A : Thickness of parent metal below alloy metal claddings.

B : Thickness of surface coatings or cladding thickness.

C : Extent of bonding of coatings or claddings.

D : Holidays in coatings or claddings.

Answer: B

Question 3

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 4

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 5

Crater cracks typically occur:

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

Page: 1 / 23

Total 112 Questions | Updated On: Jun 05, 2025

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