Free API API-577 Practice Test & Real Exam Questions

Exam Code/Number: API-577
Exam Name/Title: Welding Inspection And Metallurgy
Certification Provider: API
Corresponding Certification: ICP Programs

Exam Questions: 112
Updated On: Jun 29, 2026

Question #50

What does an AWS classification number identify?

A. Electrode diameter and strength

B. Chemical composition of the deposited weld metal

C. Base metal and group number

D. Electrodes and welding rods

Discussion 0

Correct Answer: D Vote an answer

Question #51

Remote examination of welds may use aids such as telescopes, borescopes, fiberscopes, cameras, or other suitable instruments provided they have:

A. Good perception and the inspection would be approximately equal to a direct visual exam.

B. A greater acuity than the eye and the inspection would be better than a direct visual.

C. Sensitivity to find possible defects that a direct visual exam would produce.

D. A resolution at least equivalent to that which is attained by direct visual examination.

Discussion 0

Correct Answer: D Vote an answer

Question #52

Which of the following determines the necessity for preheat and postweld heat treatment?

A. The as-rolled hardness of the welding components

B. The percentage of carbon that will be in the completed weld

C. The rate of cooling after the welding is completed

D. The carbon equivalent of the steel

Discussion 0

Correct Answer: D Vote an answer

Question #53

If an individual changes an essential variable in the WPS, the individual must:

A. Record the change on the existing WPS.

B. Re-qualify the PQR.

C. Re-qualify the WPS.

D. List the change as a supplement to the WPS.

Discussion 0

Correct Answer: C Vote an answer

Question #54

A limitation of a stud arc welding (SW) process is:

A. Process is primarily suitable for only carbon steel and low alloy steels.

B. Welding rates are significantly lower than those obtained with SMAW.

C. Weld is not visible during the welding process.

D. Process is limited to a flat position.

Discussion 0

Correct Answer: D Vote an answer

Question #55

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 32

C. HRC 25

D. HRC 22

Discussion 0

Correct Answer: D Vote an answer

Question #56

What increases when a welder increases the amperage?

A. Voltage

B. Heat

C. Travel speed

D. Arc length

Discussion 0

Correct Answer: B Vote an answer

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