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 #15

Which of the following has the lowest range of welding currents and electrode diameters associated with the GMAW process?

A. Short circuiting transfer

B. Pulsed droplet transfer

C. Spray transfer

D. Globular transfer

Discussion 0

Correct Answer: A Vote an answer

Question #16

What is the "area of interest" on a weld radiograph?

A. The portion that is less than 3t from the center of the radiograph, where t is the thickness of the weld

B. The specific portion of a radiograph that needs to be evaluated

C. Only the area of contrasting density

D. The entire radiograph minus 2 in. (50.8 mm) from the edges

Discussion 0

Correct Answer: B Vote an answer

Question #17

API Recommended Practice 2201 primarily covers the:

A. WPS/PQR aspects of in-service welding.

B. Weldability aspects of in-service welding.

C. Technical aspects of hot tapping.

D. Safety aspects of in-service welding.

Discussion 0

Correct Answer: D Vote an answer

Question #18

ACFM is an NDE technique ideal for inspecting:

A. Fillet welds, J-welds, and seal welds.

B. Butt welds (single and double bevel) and plug welds.

C. Nozzles, ring-grooves, and grind-out areas.

D. Lap joint welds and uphill welding.

Discussion 0

Correct Answer: C Vote an answer

Question #19

P-numbers are based on which of the following?

A. Weldability characteristics of base metal

B. Electrode characteristics

C. Chemical composition of the base metal

D. Comparable base metal characteristics

Discussion 0

Correct Answer: A Vote an answer

Question #20

At any time during the welding inspection, if defects are identified:

A. The inspector should seek engineering input on whether the defect is actually acceptable.

B. The inspector should examine all welds produced by the same welder.

C. They should be corrected before welding proceeds further.

D. The inspector should determine whether the weld may be acceptable for the intended service.

Discussion 0

Correct Answer: C Vote an answer

Question #21

The simplest weldability tests are those that evaluate:

A. Ductility and hardness of the weld.

B. Porosity and slag inclusions of the weld.

C. Cracking and corrosion resistance of the weld.

D. Strength and ductility of the weld.

Discussion 0

Correct Answer: D Vote an answer

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