Understanding API ICP653 Reading 15-Worksheet-11a

Q3. In reviewing the form QW-483 (PQR form) in a Code shop, the
Authorized Inspector noticed the thickness of test coupon was
documented as 3/4" SA-285C plate. However on the back of the form
thickness of the specimen was recorded as 0.725". The difference in
thickness is most likely because.
(a) A mistake in the testing laboratory, they documented a different set of
coupon on this PQR.
(b) The thickness of the specimen is approximate.
(c) The test coupon has been machined down to 0.725" to offset the heat
distortion due to welding.
ANS: c
Q4. A welder was qualified by a plate at 4G (overhead) position in the lab. He
will be qualified to weld pipe 2 7/8" O.D. and over, but under 24" O.D. in
the field in the overhead position.
(a) True
(b) False
ANS: b correct answer
Charlie Chong/ Fion Zhang