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Which of the following is the test that can measure most aspects of weldability?
Which of the following is the test that can measure most aspects of weldability?A . Impact testingB . There is no single testC . Weld tension testsD . Bend testingView AnswerAnswer: B
Which of the following ranges is the recommended minimum ferrite content of the weld metal needed to prevent cracking?
The most common measure of weldability and susceptibility to hot cracking of austenitic stainless steels is the ferrite content of the weld metal. Which of the following ranges is the recommended minimum ferrite content of the weld metal needed to prevent cracking?A . 1%-10%B . 5%-20%C . 8%-18%D . 15%-20%View...
Rules for qualifying welding operators using radiography on a production weld require what minimum weld length to be examined?
Rules for qualifying welding operators using radiography on a production weld require what minimum weld length to be examined?A . 6 in. (150 mm)B . 12 in. (300 mm)C . 24 in. (600 mm)D . 36 in. (900 mm)View AnswerAnswer: B
A root opening of a groove weld is:
A root opening of a groove weld is:A . The surface of a joint member included in the groove.B . A separation at the joint root between the work pieces.C . The beveled surface of the joint members.D . That portion of the groove face adjacent to the joint root.View...
Which of the following is a commonly accepted limitation of flux core arc welding (FCAW)?
Which of the following is a commonly accepted limitation of flux core arc welding (FCAW)?A . It is more sensitive to drafts and wind than GMAW.B . It has lower deposition rates than SMAW.C . Shielding must always be provided by an externally supplied gas.D . Large volumes of welding...
A limitation of a stud arc welding (SW) process is:
A limitation of a stud arc welding (SW) process is:A . Welding rates are significantly lower than those obtained with SMAW.B . Process is primarily suitable for only carbon steel and low alloy steels.C . Process is limited to a flat position.D . Weld is not visible during the welding...
When welding nickel alloys, it is important that:
When welding nickel alloys, it is important that:A . The bevel angle be wide enough to allow oscillation of welding torch.B . The cooling rate be controlled in order to prevent rapid cooling.C . Preheating is always performed to prevent hot cracking.D . A wide face and thinner bevel be...
Base metals are assigned P-numbers by the ASME Code, Section IX to reduce the number of:
Base metals are assigned P-numbers by the ASME Code, Section IX to reduce the number of:A . Required welding procedure specifications.B . Required welding procedure qualifications.C . Required procedure and performance qualifications.D . Required mechanical tests.View AnswerAnswer: C
The WPS gives the welder specific guidelines to:
The WPS gives the welder specific guidelines to:A . Set the machine amperage, voltage, and travel speed.B . Confirm the project heat input is followed during welding.C . Successfully complete production welds.D . Make imperfection/defect-free welds.View AnswerAnswer: A
If a test specimen from a welded coupon should fail during PQR mechanical tests:
If a test specimen from a welded coupon should fail during PQR mechanical tests:A . Three out of four of the required test specimens must pass.B . The test coupon fails and a new coupon is required.C . Two additional test specimens from the coupon must be tested and pass.D...
