API 653 Covering all Codes and
Standards Exam Practice Questions
with Verified Correct Answers
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__________ is a change from previous operating conditions involving
different properties of the
stored product such as specific gravity or corrosivity and / or different
service conditions of
temperature and / or pressure"
(a) Re-rating;
(b) Change in service;
(c) Repair;
,(d) Reconstruction - B
A __________ is a device used to determine the image quality of a
radiograph.
(a) A step wedge comparison film; (b) A densitometer;
(c) A penetramter
(d) All of the above. - C
A corroded roof plate is found to have an average thickness of 0.1"
measured over an area of
100 sq. inches. This area shall be :-
(a) Repaired or replaced;
(b) Found to be acceptable;
(c) Repair is prohibited;
(d) Replacement is mandated - B
A double-welded butt joint is defined as :-
(a) A joint between two members that intersect at an angle between 0
degrees (a butt joint)
and 90 degrees (a corner joint).
,(b) A joint between two abutting parts lying in approximately the same
plane that is welded
from both sides.
(c) A joint whose size is equal to the thickness of the thinner jointed
member.
(d) A joint between two overlapping members in which the overlapped
edge is welded. - B
An external floating roof shall be provided with at least one manhole
having a minimum
inside diameter of __________ inches.
(a) 18;
(b) 15;
(c) 24;
(d) 30. - C
A formal Visual External inspection by a qualified inspector shall be
done atleast :-
(a) Every 5 years of ¼ CR life whichever is less
(b) Every 5 years of ½ CR life whichever is less
(c) Every 2 years
, (d) Every 1- years or ¼ CR life whichever is greater - A
A full hydrostatic test (when required) shall be held for __________
hours :-
(a) 24;
(b) 8;
(c) 18;
(d) 12 - A
A full-fillet weld is a weld that :-
(a) not less than 1/3 the thinner plate;
(b) the legs equal the thickness of the thinner plate;
(c) the largest isosceles triangle that can be inscribed within the cross
section of the weld
(d) is atleast the thickness of the thicker plate - B
A hot tap in a 1.25" thick tank with a minimum metal temperature of
65oF at time of hot tap,
without having material toughness data is :-
(a) not permitted;
(b) permitted;
Standards Exam Practice Questions
with Verified Correct Answers
Professional Academic Assistance Services
Services Offered
• Proctored Exam Assistance
• Online Class Management (Full Course Support)
• Exam Preparation & Study Materials
• Assignments and Coursework Support
• Essay and Research Paper Writing
• Discussion Posts & Responses
• Editing and Proofreading
• Confidential Academic Consultation
Helping Students Achieve Academic Excellence
__________ is a change from previous operating conditions involving
different properties of the
stored product such as specific gravity or corrosivity and / or different
service conditions of
temperature and / or pressure"
(a) Re-rating;
(b) Change in service;
(c) Repair;
,(d) Reconstruction - B
A __________ is a device used to determine the image quality of a
radiograph.
(a) A step wedge comparison film; (b) A densitometer;
(c) A penetramter
(d) All of the above. - C
A corroded roof plate is found to have an average thickness of 0.1"
measured over an area of
100 sq. inches. This area shall be :-
(a) Repaired or replaced;
(b) Found to be acceptable;
(c) Repair is prohibited;
(d) Replacement is mandated - B
A double-welded butt joint is defined as :-
(a) A joint between two members that intersect at an angle between 0
degrees (a butt joint)
and 90 degrees (a corner joint).
,(b) A joint between two abutting parts lying in approximately the same
plane that is welded
from both sides.
(c) A joint whose size is equal to the thickness of the thinner jointed
member.
(d) A joint between two overlapping members in which the overlapped
edge is welded. - B
An external floating roof shall be provided with at least one manhole
having a minimum
inside diameter of __________ inches.
(a) 18;
(b) 15;
(c) 24;
(d) 30. - C
A formal Visual External inspection by a qualified inspector shall be
done atleast :-
(a) Every 5 years of ¼ CR life whichever is less
(b) Every 5 years of ½ CR life whichever is less
(c) Every 2 years
, (d) Every 1- years or ¼ CR life whichever is greater - A
A full hydrostatic test (when required) shall be held for __________
hours :-
(a) 24;
(b) 8;
(c) 18;
(d) 12 - A
A full-fillet weld is a weld that :-
(a) not less than 1/3 the thinner plate;
(b) the legs equal the thickness of the thinner plate;
(c) the largest isosceles triangle that can be inscribed within the cross
section of the weld
(d) is atleast the thickness of the thicker plate - B
A hot tap in a 1.25" thick tank with a minimum metal temperature of
65oF at time of hot tap,
without having material toughness data is :-
(a) not permitted;
(b) permitted;
