API API-510 Pressure Vessel Inspector Online Training
API API-510 Online Training
The questions for API-510 were last updated at Apr 26,2024.
- Exam Code: API-510
- Exam Name: Pressure Vessel Inspector
- Certification Provider: API
- Latest update: Apr 26,2024
To exempt a vessel from internal inspections, what is the value of the corrosion rate that cannot be exceeded?
- A . 0.005” per year
- B . 0.001” between inspections not to exceed 5 years between inspections
- C . 0.001” per year
- D . 0.005” between inspections not to exceed 3 years between inspections
The remaining life of a vessel is 24 years.
What is the maximum interval for the internal inspection?
- A . 5 years
- B . 6 years
- C . 10 years
- D . 12 years
If a vessel is subjected to temperatures above design, what may happen
- A . Precipitation at the grain boundaries may occur.
- B . The rupture disk may implode
- C . The relief device may fail
- D . Creep of the vessel’s material may occur
The internal inspection interval must be reviewed whenever changes occur that could affect the degradation of the vessel.
In which of the following situations does a review of the internal interval need not be conducted?
- A . operating temperature increases
- B . operating pressure decreases
- C . operating pressure increases
- D . fluid composition changes
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
The best description of Temper embrittlement is:
- A . Cracking due to operating at high temperatures above 650°F C 1100°F
- B . Cracking due to low temperature service
- C . Loss of ductility and notch toughness due to exposure above 650°F C 1100°F
- D . Flaking of the metal surfaces, causing dip pits due to exposure above 650ºF C1100°F
At the discretion of ________, on-stream inspection may be substituted for internal inspection.
- A . An engineer experienced in corrosion
- B . The owner-user of the pressure vessel
- C . An engineer experienced in pressure vessel design
- D . The authorized pressure vessel inspector
An on-stream inspection can NOT be substituted for an internal inspection unless the remaining life exceeds:
- A . 2 years
- B . 4 years
- C . 5 years
- D . 10 years
Which is the most severe stress caused by internal pressure in a cylindrical shell?
- A . Longitudinal stress acting along the longitudinal axis
- B . Circumferential stress acting along the longitudinal axis
- C . Circumferential stress acting along the circumferential axis
- D . Longitudinal stress acting along the circumferential axis
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
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