1. API-510-CLOSED-1
1. The gamma ray radiography has maximum density of:
a. 2.0 HD
b. 4.0 HD
c. No upper limit is prescribed
d. Depends on the viewed
2. A re-rating of a vessel is not completed till the new name plate fixing is overseen by
a. Jurisdiction
b. Authorized inspector
c. Pressure vessel engineer
d. Insurance surveyor
3. The filler metal used should have minimum specified tensile strength equal to or greater than
the minimum specified tensile strength of the base metal. If a filler metal is used that has a
minimum specified tensile strength lower than the minimum specified tensile strength of the base
metal
a. Lower strength electrodes are not permitted for repair welding
b. Maximum 50% of thickness can be repaired using such electrodes
c. Increase weld deposit thickness suitably to compensate the lower strength
d. B & C
4. The greatest time between the testing of pressure relieving devices per API 510?
a. 5 years
b. Pressure relief valves shall be tested at intervals that are frequent enough to verify that the
valves perform reliably.
c. 10 years.
d. Pressure relief devices must be tested at every shutdown
5. If you were looking for the last date that a pressure relief valve was set, where should this
information always be?
a. In the product literature from the valve company.
b. The API 510 mandatory computer inspection records.
c. Relief valve's tag.
d. In the records of the repair shop.

2. 6. Which of the following should a progressive record for a pressure vessel contain?
a. The exact location on a plot plan.
b. The piping schedule for the vessel.
c. A complete weld map from the original construction plans.
d. Construction and design information, operating and inspection history.
7. If performing an external inspection of a vessel what consideration need be given the external
insulation?
a. It shall always be removed to inspect underneath.
b. 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.
c. Selected portions must be removed for inspections.
d. You may not use any plug locations used for UT thickness reading to inspect the vessel.
8. What must be considered important in the inspection of a metallic-lining?
a. That there are no dissimilar welds.
b. That the linings made of pure alloy only.
c. That vent holes exist in all liners.
d. That there are no holes or cracks present in the lining.
9. What do construction codes mean, as it regards repairs to a pressure vessel?
a. The current ASME Code edition.
b. The NBIC
c. The Code the vessel was constructed to, including non standard and jurisdictional special
vessels.
d. The API 510 Code.
10. Which of the following over pressure protection is not found on a pressure vessel?
a. Safety Relief
b. Pilot Operated
c. Rupture Disk
d. Pressure / Vacuum Vent

3. 11. The report for qualifying a welder is:
a. Safety Relief
b. Piolet Operated
c. Rupture Disc
d. Pressure/Vacuum Vent
12. Charpy impact tests are intended to prove that a material is:
a. Tough at the desired MDMT of the vessel to be constructed using that material.
b. Some what prone td brittle fracture.
c. Acceptable for use in high temperature service.
d. Not required to be heat treated.
13. According to Section IX, all welders must be re-tested for a process:
a. If they have not been tested before.
b. If they have not used the process in the past 1 month or longer and have not been welding with
other processes.
c. If they have not used the process for the past 3 months or longer
d. If the welder's ability to make sounds welds with process is in doubt.
14. Which of the following describes a type/s of rupture disks?
a. Multiple layer of graphite impregnated fibers
b. Various metals - usually flat except steel
c. Impervious graphite, un-bulged
d. Various metals, usually pre-bulged or impervious graphite, usually flat.
15. Which of the following describes a lamination in metal plate?
a. Laminations usually represent large cavities.
b. Laminations are present only on the edges of plate.
c. Laminations run at a slant or parallel to the plate surface.
d. Laminations run normal to the plate surface.
16. You are inspecting a failure in a Carbon Steel vessel wall, what conditions would you look for
if it was believed that the fracture was a brittle one?
a. There is almost a no lack of ductility.
b. The fractured surfaces has a smooth surface
c. The material might be a thin gauge material, and working at elevated temperature
d. There is an almost complete lack of ductility and the material might have been working at low
temperature.

4. 17. A bulged metal rupture disk with the pressure on the concave side has life expectancy of:
a. 5 years
b. 2 years
c. 1 year
d. Indefinite length till it ruptures
18. For same bursting pressure of the disc, higher operating pressures are possible with a rupture
disk of the type in which, the pressure acts on:
a. Concave side
b. Convex side (Reverse buckling)
c. Flat type
d. Operating pressures for all above will be same
19. When a crack is discovered in a vessel that is in a highly stressed area. What action should
you recommend be considered as a first step in any effort to correct the flaw?
a. Using an insert patch
b. Removing the crack by grinding and inspect using an NDE
procedure before repair.
c. Call in a pressure vessel engineer.
d. Design an overlay patch that has rounded corners
20. When looking for surface cracks in a vessel made of ferrous material which of the following is
the most capable of detection?
a. Fluorescent penetrant method
b. Visible Color contrast penetrant method
c. Radiography
d. Close visual Inspection with good lighting.

5. API-510-CLOSED-1
1. A ASME Sec. V, T-282.1
2. B API 510, 7.3-e
3. D API 510, 7.2.11
4. C API 510, 6.6
5. C API 576 6.2.2
6. D API 510, 6.7
7. B API 510, 6.3
8. D API 572, 10.4.5
9. C API 510, 1.1
10. D API 576, 4.8.1
11. C ASME IX, QW-300.3
12. A ASME VIII, UG-84, Definition of Charpy (Notch Toughness)
13. D ASME IX, QW-322.1
14. D API576, 4.9.1, 4.9.5
15. C API 572 10.4.4
16. D IRE CHAPTER II, 205.01
17. C API 576, 4.9.3
18. C API 576, 4.9.3
19. C API 510, 7.1.3
20. A Basic Knowledge of PT

6. API-510-CLOSED-1
1. A ASME Sec. V, T-282.1
2. B API 510, 7.3-e
3. D API 510, 7.2.11
4. C API 510, 6.6
5. C API 576 6.2.2
6. D API 510, 6.7
7. B API 510, 6.3
8. D API 572, 10.4.5
9. C API 510, 1.1
10. D API 576, 4.8.1
11. C ASME IX, QW-300.3
12. A ASME VIII, UG-84, Definition of Charpy (Notch Toughness)
13. D ASME IX, QW-322.1
14. D API576, 4.9.1, 4.9.5
15. C API 572 10.4.4
16. D IRE CHAPTER II, 205.01
17. C API 576, 4.9.3
18. C API 576, 4.9.3
19. C API 510, 7.1.3
20. A Basic Knowledge of PT