Which of these is excluded from the requirements oF510 API ?
Answer
Afired tubular heat exchanger in an oil refinery.
Which of these vessels containing steam is excluded from the requirement of API 510?
Answer
A vessel of any pressure as the capacity is less than 120 gallons.
Which API code ( not in the API 510 syllabus) covers welding on equipment in service?
Answer
API 2201
Which of these is likely to be classed as an alteration to a pressure vessel?
Answer
Replacing existing nozzles with larger ones.
In simple terms, MAWP means much the sames as?
Answer
Design pressure
At what position is MAWP calculated for in vertical pressure vessel?
Answer
At the vessel bottom of the vessel
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, A pitted vessel is measured at an average of 10mm thick and has a designed corrosion allow-
ance of 1.6 mm .It is now installed in corrosion-free environment . What thickness is used
when calculating the MAWP?
Answer
8.4mm
How often must an API 510-certified vessel inspector be recertified by API.
Answer
Every 3 years
During the repair of a pressure vessel, who is the API certified vessel inspector responsible
to?
Answer
The owner/user of the vessel
During the repair of a pressure vessel, who is ultimately responsible for compliance with re-
quirement of API 510?
Answer
The owner/ user
POF assessment means?
Answer
probability of failure
COF assessment mean?
Answer
consequences of failure
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