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 21, 2025

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Question 1

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

A : Under low humidity conditions.

B : In warm holding ovens.

C : In sealed plastic containers.

D : In tightly sealed ovens.

Answer: B

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

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

A : Under low humidity conditions.

B : In warm holding ovens.

C : In sealed plastic containers.

D : In tightly sealed ovens.

Answer: B

Question 4

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

A : HRC 20

B : HRC 22

C : HRC 25

D : HRC 32

Answer: B

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: Apr 21, 2025

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