API 510 QUESTIONS AND ANSWERS
WITH SOLUTIONS 2024
NDE examinations must be scheduled at intervals that consider the - ANSWER Probability of the NDE
method to identify the damage
What is the transition temperature of a metal? - ANSWER The temp at which the material fracture code
changes from ductile to brittle
A primary goal of API 510 internal inspection is to - ANSWER Find damage that cannot be found by
monitoring external CMLs
When conducting a hydrostatic pressure test special attention should be given when testing low alloy
steels especially 2 1/4 cr because - ANSWER They may be prone to temper embrittlement
What is the maximum chloride concentration allowed for water or steam when hydro testing 300 series -
ANSWER 50 ppm
For austenitic stainless steel the susceptible temperature range of CUI is - ANSWER 140 degrees and 400
degrees
How many systems and procedures must be documented and implemented per API 510 in a owner user
inspection repair management system for pressure vessels and pressure relief devices - ANSWER 19
The consequence of a release is dependent on - ANSWER The type and amount of process fluid
contained in the equipment
The surface at a weld with a joint factor the 1.0 is corroded. The calculation to determine if the thickness
at the corroded are governs the allowable working pressure should be - ANSWER The thickness of the
surface of the weld includes 1" or twice the minimum thickness on either side of the weld whichever is
greater
, A methodology whereby flaws and conditions contained within an equipment item are assessed in order
to determine the integrity of the equipment for continued service is referred to as - ANSWER Fitness for
service evaluation
What is a pressure vessel engineer responsible for - ANSWER Activities involving design engineering
review analysis or evaluation of vessels
When can pressure tests of vessel components be performed in lieu of entire vessel testing - ANSWER
After consultations with an engineer
An inspection plan shall be developed for - ANSWER All pressure vessels and pressure relieving devices
Which of the following techniques is specifically cited by API 577 as having special limitations due to
concerns for incomplete fusion - ANSWER GMAW -Spray transfer
According to API 510 on stream inspections should be conducted by whom - ANSWER An inspector or
examiner
All tools equipment and personal protective equipment used during vessel work - ANSWER Should be
check prior to work
Welding inspection occurs - ANSWER Prior to, during, and after welding
During welding operations the inspector should confirm that - ANSWER The welding parameters are
supported by the WPS and WPQ
NDE is defined as those inspection methods which allow materials to be examined - ANSWER Without
damaging the component
According to API 510 when do inspectors need to inspect non pressure internals of pressure vessels -
ANSWER When requested by other operations personnel
WITH SOLUTIONS 2024
NDE examinations must be scheduled at intervals that consider the - ANSWER Probability of the NDE
method to identify the damage
What is the transition temperature of a metal? - ANSWER The temp at which the material fracture code
changes from ductile to brittle
A primary goal of API 510 internal inspection is to - ANSWER Find damage that cannot be found by
monitoring external CMLs
When conducting a hydrostatic pressure test special attention should be given when testing low alloy
steels especially 2 1/4 cr because - ANSWER They may be prone to temper embrittlement
What is the maximum chloride concentration allowed for water or steam when hydro testing 300 series -
ANSWER 50 ppm
For austenitic stainless steel the susceptible temperature range of CUI is - ANSWER 140 degrees and 400
degrees
How many systems and procedures must be documented and implemented per API 510 in a owner user
inspection repair management system for pressure vessels and pressure relief devices - ANSWER 19
The consequence of a release is dependent on - ANSWER The type and amount of process fluid
contained in the equipment
The surface at a weld with a joint factor the 1.0 is corroded. The calculation to determine if the thickness
at the corroded are governs the allowable working pressure should be - ANSWER The thickness of the
surface of the weld includes 1" or twice the minimum thickness on either side of the weld whichever is
greater
, A methodology whereby flaws and conditions contained within an equipment item are assessed in order
to determine the integrity of the equipment for continued service is referred to as - ANSWER Fitness for
service evaluation
What is a pressure vessel engineer responsible for - ANSWER Activities involving design engineering
review analysis or evaluation of vessels
When can pressure tests of vessel components be performed in lieu of entire vessel testing - ANSWER
After consultations with an engineer
An inspection plan shall be developed for - ANSWER All pressure vessels and pressure relieving devices
Which of the following techniques is specifically cited by API 577 as having special limitations due to
concerns for incomplete fusion - ANSWER GMAW -Spray transfer
According to API 510 on stream inspections should be conducted by whom - ANSWER An inspector or
examiner
All tools equipment and personal protective equipment used during vessel work - ANSWER Should be
check prior to work
Welding inspection occurs - ANSWER Prior to, during, and after welding
During welding operations the inspector should confirm that - ANSWER The welding parameters are
supported by the WPS and WPQ
NDE is defined as those inspection methods which allow materials to be examined - ANSWER Without
damaging the component
According to API 510 when do inspectors need to inspect non pressure internals of pressure vessels -
ANSWER When requested by other operations personnel
