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What is a welding procedure specification? ---------CORRECT ANSWER-----------------
a written document that provides direction to the welder for making production
welds in accordance with the code requirements. (QW-100.1)
The purpose for qualification of a WPS ? ---------CORRECT ANSWER-----------------to
determine that the weldment proposed for construction is capable of providing
the required properties for its intended application. QW-100.1
In performance qualification, what is the basic criterion established for welder
qualification? ---------CORRECT ANSWER-----------------QW-100.2 defines the basic
criterion established for welder qualification is to determine the welders ability to
deposit sound weld metal. The basic criterion to establish for welding
qualification is to determine the welding operators mechanical ability to operate
the welding equipment.
Which of the following test positions designates overhead welding without
rotation? ---------CORRECT ANSWER-----------------4F
,Which of the following test positions requires the coupon to be held at a 45%
angle ---------CORRECT ANSWER-----------------1F
Which of the following test is performed to determine the ultimate strength of
groove weld joints? ---------CORRECT ANSWER-----------------Tension test (QW-
141.1)
What may be substituted for mechanical testing for groove weld performance
qualifications prove the ability of welding operators to make sound welds. ---------
CORRECT ANSWER-----------------Radiographic examinations and ultrasonic
examination may be substituted. (QW-143)
What minimum thickness may require multiple reduced section plate tension test
specimens for WPS Qualification's? ---------CORRECT ANSWER-----------------When
test coupons are over one inch 25mm thick multiple tension test specimens me
be taken at each location according to the rules of QW-151.1 for plate QW-151.2
for pipe and qw-151.3 for turned Specimens. QW-151.1(b)
As part of a welding procedure qualification, a tensile test is performed on SA-333
grade 6 plate normalized and tempered with an allowable stress of 17,100 psi. the
test specimen was 0.550 in. 70,100 psi . what was the width of the tensile test
specimen? ---------CORRECT ANSWER-----------------0.998in ? (QW-152, QW-462.1)
, As part of a welding procedure qualification, a tensile test performed on SA-335
grade P1 pipe. The test specimen was 0.75" wide and 0.75 in thick. The specimen
broke in the base metal outside of the weld and weld interface what is the
minimum acceptable tensile strength for the WPS qualifications. ---------CORRECT
ANSWER-----------------SA-335 grade P1 55ksi 0.95x55 ksi = 52.25 Ksi (QW-152)
A guided bend specimen that has an open discontinuity in the heat affected zone
on the convex surface of the specimen after bending that measures 5/32 in
length. What should the inspector do? ---------CORRECT ANSWER-----------------Fails
test open discontinuity in the weld or heat effected zone greater than 1/8" the
test fails. QW-163
A guided bend specimen that has an open discontinuity on the corner of the
convex surface of the specimen after bending that measures 5/32" in length.
What should the inspector do? ---------CORRECT ANSWER-----------------Inspect
further for evidence of lack of fusion, slag inclusions, or other internal
discontinuities. QW-163
Which testing standard shall Charpy V-Notch impact test conform to for WPS
qualifications? ---------CORRECT ANSWER-----------------ASME SA-370 QW-171.1
What magnification is used when performing a filet weld test macro examination
during procedures or performance qualifications ? ---------CORRECT ANSWER-------
----------At a specified low magnification? QW/QB-492