API 653 Closed book Exam Set Questions With Revised Correct Detailed Answers
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Course
Api 653
Institution
Api 653
API 653 Closed book Exam Set
Questions With Revised Correct
Detailed Answers
1) Weld joint details shall meet the requirements of which of the following?
a) API Standard 650
b) ASME Section IX only
c) The applicable standard
d) AWS Dl .1 Structural Welding Code - ANSWER
C
2) ...
API 653 Closed book Exam Set
Questions With Revised Correct
Detailed Answers
1) Weld joint details shall meet the requirements of which of the following?
a) API Standard 650
b) ASME Section IX only
c) The applicable standard
d) AWS Dl .1 Structural Welding Code - ANSWER C
2) The thickness to be used for each shell course when checking tank design shall
be based on:
a) Measurements taken within 30 days prior to relocation
b) Measurements taken within 60 days prior to relocation
c) Measurements taken within 120 days prior to relocation
d) Measurements taken within 180 days prior to relocation - ANSWER D
3) The maximum liquid level for hydrostatic test shall be determined by using
which of the following?
a) The nominal thickness of each shell course at the time of original construction
b) The actual thickness measured for each shell course
c) The anticipated thickness for each shell course at the time of next thickness
measurements
,d) Twice the anticipated thickness for each shell course at the time of next
thickness measurements - ANSWER B
4) The joint efficiency and allowable stress levels for existing welded joints that
are not to be removed and replaced shall be based on which of the following?
a) Original construction standard
b) Original degree and type of inspection
c) Current construction standard
d) Current degree and type of inspection - ANSWER B
5) Replacement and new penetrations shall be designed, detailed, welded, and
examined to meet what requirements?
a) The current applicable standard
b) The original standard of construction
c) The requirements of the Authorized Inspector
d) The requirements of the owner/operator - ANSWER A
6) Existing penetrations shall be evaluated for compliance with what
requirements?
a) The current applicable standard
b) The original standard of construction
c) The requirements of the Authorized Inspector
d) The requirements of the owner/operator - ANSWER B
7) With regard to seismic design, reconstructed tanks shall be built to meet the
stability requirements of:
,a) The requirements of the owner/operator
b) The requirements of the Authorized Inspector
c) The original standard of construction
d) The applicable standard - ANSWER D
8) The basis for repairs and alterations shall be equivalent to which of the
following
a) API-653
b) API-650
c) API-510
d) API-570 - ANSWER B
9) The minimum dimension for a replacement shall plate shall be_______ inches
or __________ thickness of the replacement plate whichever is_______.
a) 12, 12, greater
b) 12, 12, lesser
c) 18, 18, greater
d) 18, 18, lesser - ANSWER A
10) Unless an entire shell plate is replaced, the replacement plate may be
circular, oblong, square or rectangular provide the corners are
a) Provided with a radius of at least 1 inch
b) Provided with a radius of at least 3% of the short dimension of the plate
c) Provided with a radius of at least 3 inches
d) Provided with rounded corners - ANSWER D
, Prior to welding the new vertical joints, the existing horizontal joints shall be cut
for a minimum distance of _______ inches beyond the new vertical joints.
a) Six
b) Eight
c) Twelve
d) Sixteen - ANSWER C
Vertical joints shall be welded before the horizontal joints.
a) True
b) False - ANSWER A
For existing shell plates over ½ " thick, the outer edge of the butt weld, attaching
the replacement shell plate shall be at least _______ times the weld thickness or
_______ inches whichever is greater from the outer edge of any existing butt-
welded shell joints.
a) 12, 10
b) 10, 12
c) 8, 10
d) 10, 8 - ANSWER C
For existing shell plates ½ " thick and less, the outer edge of the butt weld,
attaching the replacement shell plate may be reduced to _______ inches from the
outer edge of vertical joints or _______inches from the outer edge of horizontal
joints.
a) 10, 8
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