API 510 Closed Book Exam A with all Correct & 100% Verified Answers
|Actual Complete Update |Already Graded A+
What is the maximum allowed time between the testing of pressure relieving devices per API 510? -
(answer)10 years.
Who is responsible for the rerating calculations of a Section Vlll Div. 1 vessel? - (answer)The
manufacturer or an owner-user engineer (or his designated representative).
If the requirements of API 510 are met who determines if a temporary fillet weld patch may be used in a
repair? - (answer)An engineer competent in pressure vessel design and the API authorized inspector.
The maximum carbon content of weldable steel per ASME Code is? - (answer).35 %
Per API 510 what is the recommended shell temperature during a hydrostatic test of a vessel 1" thick? -
(answer)10 ° F above MDMT.
If you were looking for the last date that a pressure relief valve was set, where should this information
always be? - (answer)Relief valve's tag.
In what two ways may the probable corrosion rate for a new vessel be determined before the first
internal inspection? - (answer)From data collected on vessels providing the same or similar service or
from published data on vessels providing comparable service.
A vessel is to undergo a hydrostatic test after an alteration; the test pressure will be 785 psi. Using
standard commercially available gauges what is the minimum and maximum gage pressure range
acceptable for this test? - (answer)0-1500 to 0-3000 psi
Which of the following should a progressive record for a pressure vessel contain? - (answer)Construction
and design information, operating and inspection history.
, API 510 Closed Book Exam A with all Correct & 100% Verified Answers
|Actual Complete Update |Already Graded A+
If performing an external inspection of a vessel what consideration need be given the external
insulation? - (answer)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.
What must be considered important in the inspection of a metallic lining? - (answer)That there are no
holes or cracks present in the lining.
What must be done prior to using special inspection procedures after an alteration to a vessel in place of
a hydrostatic test? - (answer)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.
If the corrosion rate of a vessel is determined to be less than a given amount per year, it is possible to
exempt the vessel from internal inspections. What is the value of the corrosion rate that cannot be
exceeded? - (answer)0.005" per year.
What may happen if vessels are subjected to temperatures above design? - (answer)Creep of the vessel's
material may occur.
The definition of pressure vessels is; - (answer)A container designed to withstand internal or external
pressure.
Which is the most severe stress caused by internal pressure in a cylindrical shell? -
(answer)Circumferential stress acting along the longitudinal axis.
Of the following heads; which is normally required to be the thickest all things being equal? -
(answer)Forged flat heads
The maximum interval between external visual inspections for an above the ground vessel is; -
(answer)Five years
|Actual Complete Update |Already Graded A+
What is the maximum allowed time between the testing of pressure relieving devices per API 510? -
(answer)10 years.
Who is responsible for the rerating calculations of a Section Vlll Div. 1 vessel? - (answer)The
manufacturer or an owner-user engineer (or his designated representative).
If the requirements of API 510 are met who determines if a temporary fillet weld patch may be used in a
repair? - (answer)An engineer competent in pressure vessel design and the API authorized inspector.
The maximum carbon content of weldable steel per ASME Code is? - (answer).35 %
Per API 510 what is the recommended shell temperature during a hydrostatic test of a vessel 1" thick? -
(answer)10 ° F above MDMT.
If you were looking for the last date that a pressure relief valve was set, where should this information
always be? - (answer)Relief valve's tag.
In what two ways may the probable corrosion rate for a new vessel be determined before the first
internal inspection? - (answer)From data collected on vessels providing the same or similar service or
from published data on vessels providing comparable service.
A vessel is to undergo a hydrostatic test after an alteration; the test pressure will be 785 psi. Using
standard commercially available gauges what is the minimum and maximum gage pressure range
acceptable for this test? - (answer)0-1500 to 0-3000 psi
Which of the following should a progressive record for a pressure vessel contain? - (answer)Construction
and design information, operating and inspection history.
, API 510 Closed Book Exam A with all Correct & 100% Verified Answers
|Actual Complete Update |Already Graded A+
If performing an external inspection of a vessel what consideration need be given the external
insulation? - (answer)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.
What must be considered important in the inspection of a metallic lining? - (answer)That there are no
holes or cracks present in the lining.
What must be done prior to using special inspection procedures after an alteration to a vessel in place of
a hydrostatic test? - (answer)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.
If the corrosion rate of a vessel is determined to be less than a given amount per year, it is possible to
exempt the vessel from internal inspections. What is the value of the corrosion rate that cannot be
exceeded? - (answer)0.005" per year.
What may happen if vessels are subjected to temperatures above design? - (answer)Creep of the vessel's
material may occur.
The definition of pressure vessels is; - (answer)A container designed to withstand internal or external
pressure.
Which is the most severe stress caused by internal pressure in a cylindrical shell? -
(answer)Circumferential stress acting along the longitudinal axis.
Of the following heads; which is normally required to be the thickest all things being equal? -
(answer)Forged flat heads
The maximum interval between external visual inspections for an above the ground vessel is; -
(answer)Five years
