API 653 QUESTIONS AND THEIR
100% CORRECT SOLUTIONS
When the direction of rolling is not known for material
to be re used in a reconstructed tank
Two tension tests shall be taken at right angles to each
other (653 7.3.1.2)
API 650 is intended as a purchase specification for oil
tanks that do not exceed
2.5 internal pressure
When constructing a new tank to API 650, openings in
the shell _____ shall be reinforced
>NPS 2
How far back shall the horizontal seams be cut from
the vertical welds in a door sheet installation that
crosses vertical lap welded seams
Door sheets are not allowed to cross vertical welded
seams
All bottom plates shall have a corroded thickness of
not less than
.236
The examiner is a person who assist the inspector by
performing specific NDE on above ground storage
tanks and evaluates the applicable acceptance
criteria, but does not interpret the results of those
examines in accordance with API 653 specifically
trained and authorized to do so by the
Owner operator
100% CORRECT SOLUTIONS
When the direction of rolling is not known for material
to be re used in a reconstructed tank
Two tension tests shall be taken at right angles to each
other (653 7.3.1.2)
API 650 is intended as a purchase specification for oil
tanks that do not exceed
2.5 internal pressure
When constructing a new tank to API 650, openings in
the shell _____ shall be reinforced
>NPS 2
How far back shall the horizontal seams be cut from
the vertical welds in a door sheet installation that
crosses vertical lap welded seams
Door sheets are not allowed to cross vertical welded
seams
All bottom plates shall have a corroded thickness of
not less than
.236
The examiner is a person who assist the inspector by
performing specific NDE on above ground storage
tanks and evaluates the applicable acceptance
criteria, but does not interpret the results of those
examines in accordance with API 653 specifically
trained and authorized to do so by the
Owner operator
