API API-510 Practice Exams
Last updated on Oct 21,2026- Exam Code: API-510
- Exam Name: Pressure Vessel Inspector
- Certification Provider: API
- Latest update: Oct 21,2026
For an above ground ‘higher risk’ vessel the maximum interval between external visual inspections is:
- A . 10 years or 1/2-remaining corrosion rate life, whichever is less
- B . 5 years
- C . 3 years
- D . There is no maximum interval
What does API-510 require to verify a welder’s qualifications when welding on a pressure vessel?
- A . A written test
- B . A practical demonstration
- C . Inspection of previous work
- D . Performance qualification records
Risk-based Inspection combines the assessment of?
- A . likelihood of poor inspection and the consequence of failure
- B . likelihood of failure and the effects on plant operation of failure
- C . chances of failure and the cost of failure
- D . likelihood of failure and the consequence of failure
Describe the challenges and strategies for maintaining API-510 compliance in industries with high turnover rates of inspection personnel.
Which of the following does API-510 specifically require to be assessed during an external inspection?
- A . External paint condition
- B . Insulation condition
- C . Foundation condition
- D . Nearby electrical installations
Describe the considerations and procedures for pressure testing insulated pressure vessels under API-510.
The definition of pressure vessels is:
- A . A container designed to withstand internal or external pressure
- B . A vessel for the containment of process fluids with or without internal pressure
- C . A container designed to operate below atmospheric pressure
- D . A container no greater than 8” in cross section
Discuss the role of predictive maintenance technologies in extending the service life of pressure vessels under API-510.
API-510 states that the minimum temperature for a pressure test should be how many degrees Fahrenheit above the minimum design metal temperature (MDMT)?
- A . 10°F
- B . 30°F
- C . 50°F
- D . 70°F
When developing an inspection plan for equipment operating at elevated temperatures, ____________ having knowledge of elevated temperature and metallurgical effects on vessel materials of construction should be consulted
- A . A pressure vessel repair organization
- B . A registered professional engineer
- C . A corrosion specialist
- D . An authorized Inspector