API-510 Online Practice Questions

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Latest API-510 Exam Practice Questions

The practice questions for API-510 exam was last updated on 2025-06-01 .

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Question#1

The inspection interval between internal or on-stream inspection shall not exceed which of the following?

A. One half the estimated remaining life or 15 years whichever is less
B. One half the estimated remaining life or 10 years whichever is greater
C. One half the estimated remaining life or 10 years whichever is less
D. One half the estimated remaining life or 15 years whichever is greater

Question#2

Increasing hardness of the metal substrate is not always a good indicator of improved resistance to __________, particularly where corrosion plays a significant role.

A. stress corrosion
B. erosion
C. stress corrosion cracking
D. ductile failure

Question#3

When performing an external inspection on a vessel what consideration should be given to the external insulation?

A. You may not use any plug locations used for UT thickness reading to inspect the vessel
B. Select portions must be removed for inspections
C. It shall always be removed to inspect underneath
D. If insulation is in good condition and the vessel operates within the high and low temperatures stated in API 510, removal of insulation is not necessary for inspection of the vessel

Question#4

Describe the steps involved in a typical API-510 compliance audit of a facility’s pressure vessels.

A. A typical API-510 compliance audit involves reviewing the facility’s documentation for each pressure vessel, including design specifications, previous inspection reports, and maintenance records. Inspectors also conduct on-site evaluations of the vessels, using tools like ultrasonic testing and radiography to assess their condition. The audit concludes with a report that outlines any non-compliance issues and recommendations for corrective actions.

Question#5

In API-510, what is the minimum required interval for external inspections if no RBI (Risk-Based Inspection) is implemented?

A. 1 year
B. 5 years
C. 10 years
D. 15 years

Exam Code: API-510Q & A: 173 Q&AsUpdated:  2025-06-01

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