API 510 Closed Book Practice Exam
UPDATED ACTUAL Questions and
CORRECT Answers
API 510 says that widely scattered pitting can be ignored provided that the: - CORRECT
ANSWER- ✔✔remaining thickness is not less than 1/2 the minimum required thickness.
Rupture disks are commonly used - CORRECT ANSWER- ✔✔to protect a pressure relief
valve from corrosive products.
When repairs and alterations are being conducted, which individual or organization is
responsible - CORRECT ANSWER- ✔✔Repair Organization
Which code provides requirements for Hot Tapping? - CORRECT ANSWER- ✔✔API 2201
Catalytic reformer vessels may have creep damage if the operating temperature is above: -
CORRECT ANSWER- ✔✔900°F
The maximum inspection interval for a pressure relief device in normal service is based on: -
CORRECT ANSWER- ✔✔acceptable performance of the device with a maximum interval of
5 year.
A carbon steel vessel in caustic service has a temperature excursion up to 425°F. The vessel
wall is 1/2" thick. No PWHT has been performed. What type of deterioration could be
expected? - CORRECT ANSWER- ✔✔Stress corrosion cracking
During a vessel repair or alteration, when can controlled deposition welding be used as an
alternative for post weld heat treating? - CORRECT ANSWER- ✔✔For P1, P3, & P4
materials
All RBI assessments must be: - CORRECT ANSWER- ✔✔thoroughly documented.
, Once vessel repair work is complete, who should approve the finished work? - CORRECT
ANSWER- ✔✔Authorized inspector
Which of the following activities is not included in the scope of API 510? - CORRECT
ANSWER- ✔✔Operating a vessel
Which type of corrosion is most easily missed by a visual examination? - CORRECT
ANSWER- ✔✔Uniform corrosion
The maximum allowable working pressure of a vessel is the: - CORRECT ANSWER-
✔✔maximum pressure permitted at the top of the vessel.
The use of a fillet weld patch on a vessel's pressure boundary requires approval from the: -
CORRECT ANSWER- ✔✔Authorized inspector and the pressure equipment engineer
During alterations, fabrication approvals (hold points) shall be designated by: - CORRECT
ANSWER- ✔✔authorized inspector
Per API 510, a PRV repair organization must: - CORRECT ANSWER- ✔✔Have a fully
documented quality assurance system and training program
During vessel repairs or alterations, welding records shall be: - CORRECT ANSWER-
✔✔Available to the authorized inspector
Repairs Of vessel cracks at a serious stress concentration requires approval by: - CORRECT
ANSWER- ✔✔pressure vessel engineer
The seating surfaces on a relief device must have a flatness of: - CORRECT ANSWER- ✔✔3
light beads/bands
An "F" on the radiograph indicates: - CORRECT ANSWER- ✔✔The IQI is placed on film
side
UPDATED ACTUAL Questions and
CORRECT Answers
API 510 says that widely scattered pitting can be ignored provided that the: - CORRECT
ANSWER- ✔✔remaining thickness is not less than 1/2 the minimum required thickness.
Rupture disks are commonly used - CORRECT ANSWER- ✔✔to protect a pressure relief
valve from corrosive products.
When repairs and alterations are being conducted, which individual or organization is
responsible - CORRECT ANSWER- ✔✔Repair Organization
Which code provides requirements for Hot Tapping? - CORRECT ANSWER- ✔✔API 2201
Catalytic reformer vessels may have creep damage if the operating temperature is above: -
CORRECT ANSWER- ✔✔900°F
The maximum inspection interval for a pressure relief device in normal service is based on: -
CORRECT ANSWER- ✔✔acceptable performance of the device with a maximum interval of
5 year.
A carbon steel vessel in caustic service has a temperature excursion up to 425°F. The vessel
wall is 1/2" thick. No PWHT has been performed. What type of deterioration could be
expected? - CORRECT ANSWER- ✔✔Stress corrosion cracking
During a vessel repair or alteration, when can controlled deposition welding be used as an
alternative for post weld heat treating? - CORRECT ANSWER- ✔✔For P1, P3, & P4
materials
All RBI assessments must be: - CORRECT ANSWER- ✔✔thoroughly documented.
, Once vessel repair work is complete, who should approve the finished work? - CORRECT
ANSWER- ✔✔Authorized inspector
Which of the following activities is not included in the scope of API 510? - CORRECT
ANSWER- ✔✔Operating a vessel
Which type of corrosion is most easily missed by a visual examination? - CORRECT
ANSWER- ✔✔Uniform corrosion
The maximum allowable working pressure of a vessel is the: - CORRECT ANSWER-
✔✔maximum pressure permitted at the top of the vessel.
The use of a fillet weld patch on a vessel's pressure boundary requires approval from the: -
CORRECT ANSWER- ✔✔Authorized inspector and the pressure equipment engineer
During alterations, fabrication approvals (hold points) shall be designated by: - CORRECT
ANSWER- ✔✔authorized inspector
Per API 510, a PRV repair organization must: - CORRECT ANSWER- ✔✔Have a fully
documented quality assurance system and training program
During vessel repairs or alterations, welding records shall be: - CORRECT ANSWER-
✔✔Available to the authorized inspector
Repairs Of vessel cracks at a serious stress concentration requires approval by: - CORRECT
ANSWER- ✔✔pressure vessel engineer
The seating surfaces on a relief device must have a flatness of: - CORRECT ANSWER- ✔✔3
light beads/bands
An "F" on the radiograph indicates: - CORRECT ANSWER- ✔✔The IQI is placed on film
side
