API 510 [exercise]

74 Questions | Total Attempts: 487

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API 510 [exercise]

Please answer these questions. Find out your score at the end.


Questions and Answers
  • 1. 
    Who is responsible when rerating calculations are required for a vessel?
    • A. 

      A. The chief inspector and the unit engineer

    • B. 

      B. The API authorized inspector

    • C. 

      C. A professional engineer only, is allowed to perform these calculations

    • D. 

      D. The manufacturer or an owner-user engineer (or his designated representative) 

  • 2. 
    API 510 covers vessels constructed to which fabrication codes?
    • A. 

      A. only ASME B&PV Section VIII

    • B. 

      B. only ASME B&PV Section VIII and the API/ASME Code for Unfired Pressure Vessels

    • C. 

      C. ASME B&PV Section VIII and other current codes (except French vessel code)

    • D. 

      D. any fabrication code 

  • 3. 
    Under which of the following condition(s) should you require the removal of safety relief device(s)?
    • A. 

      A. Surface corrosion on the body of the relief device

    • B. 

      B. If a pressure test is being conducted in which the test pressure will exceed the set  pressure of the safety relief valve with the lowest setting

    • C. 

      C. The safety relief device was opening on a irregular, unexplainable basis

    • D. 

      D. Blowback had been detected and the manufacturers recommend removal 

  • 4. 
    As per API 510, what is the maximum allowed time between the testing of pressure relieving devices? 
    • A. 

      A. Pressure relief valves shall be tested at intervals that are frequent enough to verify that the valves perform reliably

    • B. 

      B. Pressure relief devices must be tested at every shutdown

    • C. 

      C. 10 years

    • D. 

      D. 5 years 

  • 5. 
    Who determines if a temporary fillet weld patch may be used in a repair? 
    • A. 

      A. The API authorized inspector

    • B. 

      B. An engineer competent in pressure vessel design and the API authorized inspector

    • C. 

      C. A repair organization which holds a valid NBIC R stamp

    • D. 

      D. Any of the above 

  • 6. 
    During a vessel alteration, if there is a conflict between the requirements of API 510 and the construction code, which should be followed?
    • A. 

      A. API 510 

    • B. 

      B. the construction code

    • C. 

      C. either the API 510 or the construction code based on inspector's recommendation

    • D. 

      D. the code with the most stringent requirements 

  • 7. 
    What is the recommended shell temperature, per API 510 during a hydrostatic test of a vessel, 1”thick? 
    • A. 

      A. 10 ° F above MDMT

    • B. 

      B. 65 ° F above ambient

    • C. 

      C. 30 ° F above ambient

    • D. 

      D. 30 ° F above testing liquids temperature 

  • 8. 
    Determine in what two ways may the probable corrosion rate for a new vessel be determined before the first internal inspection?
    • A. 

      A. From data collected on vessels providing the same or similar service or from published data on vessels providing comparable service

    • B. 

      B. Employing highly experienced inspectors or engineers

    • C. 

      C. Corrosion tabs and UT readings

    • D. 

      D. Assuming a standard corrosion rate 

  • 9. 
    What should contain in a progressive record for a pressure vessel?
    • A. 

      A. Construction and design information, operating and inspection history

    • B. 

      B. A complete weld map from the original construction plans

    • C. 

      C. The exact location on a facility plan

    • D. 

      D. The schedule and piping sizes for the vessel

  • 10. 
    When performing an external inspection on a vessel what consideration should be given to the external insulation?
    • A. 

      A. You may not use any plug locations used for UT thickness reading to inspect the vessel

    • B. 

      B. Select portions must be removed for inspections

    • C. 

      C. It shall always be removed to inspect underneath 

    • D. 

      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 

  • 11. 
    After an alteration to a pressure vessel, in lieu of a hydrostatic test, special inspection procedures will be carried out. What must be done prior to carrying out the special inspection procedures?
    • A. 

      A. Review all NDE procedures prior to commencement of the NDE used to waive the hydrostatic test requirement

    • B. 

      B. Consult with the chief inspector of the jurisdiction

    • C. 

      C. Make certain it is permitted by any jurisdictional rules that may exist and consult with an engineer experienced in pressure vessel design and the Authorized Pressure Vessel Inspector

    • D. 

      D. Check with the NBIC Authorized inspector 

  • 12. 
    To exempt a vessel from internal inspections, what is the value of the corrosion rate that cannot be exceeded?
    • A. 

      A. 0.005” per year

    • B. 

      B. 0.001” between inspections not to exceed 5 years between inspections

    • C. 

      C. 0.001”per year

    • D. 

      D. 0.005” between inspections not to exceed 3 years between inspections 

  • 13. 
    If a vessel is subjected to temperatures above design, what may happen
    • A. 

      A. Precipitation at the grain boundaries may occur.

    • B. 

      B. The rupture disk may implode

    • C. 

      C. The relief device may fail

    • D. 

      D. Creep of the vessel’s material may occur 

  • 14. 
    The definition of pressure vessels is:
    • A. 

      A. A container designed to withstand internal or external pressure

    • B. 

      B. A vessel for the containment of process fluids with or without internal pressure

    • C. 

      C. A container designed to operate below atmospheric pressure

    • D. 

      D. A container no greater than 8” in cross section 

  • 15. 
    Which is the most severe stress caused by internal pressure in a cylindrical shell? 
    • A. 

      A. Longitudinal stress acting along the longitudinal axis

    • B. 

      B. Circumferential stress acting along the longitudinal axis

    • C. 

      C. Circumferential stress acting along the circumferential axis

    • D. 

      D. Longitudinal stress acting along the circumferential axis 

  • 16. 
    For an above ground ‘higher risk’ vessel the maximum interval between external visual inspections is: 
    • A. 

      A. 10 years or 1/2-remaining corrosion rate life, whichever is less

    • B. 

      B. 5 years

    • C. 

      C. 3 years

    • D. 

      D. There is no maximum interval 

  • 17. 
    What is the maximum inspection interval for a vessel with a remaining safe operating life of less than four years?
    • A. 

      A. The full remaining safe operating life up to a maximum of 4 years

    • B. 

      B. The full remaining safe operating life up to a maximum of 2 years

    • C. 

      C. The full remaining safe operating life up to a maximum of 1 year

    • D. 

      D. The full remaining life of the vessel

  • 18. 
    When discussing repairs to a pressure vessel what is the definition of ‘construction codes’? 
    • A. 

      A. The NBIC

    • B. 

      B. The current ASME Code edition

    • C. 

      C. The API 510 Code

    • D. 

      D. The Code the vessel was constructed to including non-standard and jurisdictional special vessels

  • 19. 
    After a vessel has been placed in service, what Code is used to evaluate? 
    • A. 

      A. ASME Section VIII

    • B. 

      B. ASME Section V

    • C. 

      C. API 572

    • D. 

      D. API 510 

  • 20. 
    An in-service vessel is being repaired or altered. If there is a conflict between the requirements of API 510 and the legal jurisdiction, which should be followed? 
    • A. 

      A. API 510

    • B. 

      B. the legal jurisdiction

    • C. 

      C. the most stringent requirements

    • D. 

      D. either set of requirements based on engineer and AI approval 

  • 21. 
    When a vessel is to be entered for an internal inspection which of the following precautions should be observed?
    • A. 

      A. Inspect the vessel for proper electrical grounding

    • B. 

      B. The area should be roped off and no one else is to be working in the area

    • C. 

      C. No hot work permits in the immediate area must be issued until the inspection is complete

    • D. 

      D. OSHA rules should be reviewed and followed where applicable

  • 22. 
    Which type of discontinuity can liquid penetrant inspection find? 
    • A. 

      A. Cracks open to the surface

    • B. 

      B. Laminations on the surfaces of plate

    • C. 

      C. Internal cracking of welds

    • D. 

      D. Subsurface porosity 

  • 23. 
    For proper internal or external visual inspections, surfaces must be: 
    • A. 

      A. Hydro blasted

    • B. 

      B. Grit blasted to SA 2

    • C. 

      C. Wire brushed

    • D. 

      D. The type of surface preparation depends on individual circumstances and could be any of the above 

  • 24. 
    Who is responsible to ensure that the Authorized Inspection Agency functions in accordance with the requirements of API 510?
    • A. 

      A. AI

    • B. 

      B. Jurisdiction

    • C. 

      C. Owner/user

    • D. 

      D. Pressure vessel engineer 

  • 25. 
    The definition of a construction code is? 
    • A. 

      A. Any standard used to build a vessel

    • B. 

      B. Any technique of construction

    • C. 

      C. Any standard used to repair vessel

    • D. 

      D. The Code or standard to which a vessel was originally built