Free Practice API API-570 Exam Questions 2026

Stay ahead with 100% Free Piping Inspector API-570 Dumps Practice Questions

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Total 170 Questions | Updated On: May 23, 2026

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Question 1

Undercut is normally found_______________.

A : in the weld metal

B : in the base metal

C : at the weld interface

D : at the root of the weld, only

Answer: C

Question 2

Resistance to sulphidation is generally achieved by

A : Upgrading to higher nickel alloys

B : Upgrading to higher chromium alloys

C : Upgrading to higher copper based alloys

D : All of the above.

Answer: B

Question 3

During periodic scheduled inspections, more extensive inspection should be applied to an area beginning __________ upstream of the injection nozzle and continuing for atleast __________ pipe diameters downstream of the injection point.

A : 10 inches, 20

B : 12 feet, 10

C : 12 inches, 10

D : 10 feet, 10

Answer: C

Question 4

A local area has been thinned on the wall thickness of a flanged fitting. The fitting is NPS 8 Class 400, and the local area has been thinned to 0.400”. Is this corrosion acceptable per ASME B 16.5?

A : Yes

B : No

C : Cannot be calculated from information given

D : Wall thicknesses may not be less than that shown in B16.5

Answer: B

Question 5

Austenitic stainless steels typically contain chrome and nickel, and are used for:

A : corrosion resistance

B : resistance to high temperature degradation

C : sulfur resistance

D : both a and b, above

Answer: D

Page: 1 / 34

Total 170 Questions | Updated On: May 23, 2026

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