API-577 exam

What is the purpose of a PQR?A . To provide direction to the welder making production welds.B . To establish the properties of the weldment.C . To document that a welder has correctly followed a WPS.D . To establish a welder's capability to make a quality weld.View AnswerAnswer: B

A welding engineer or inspector should be notified when a weld has failed a weld quality test more than how many times in order to help determine the cause of the test failure?A . ONCEB . TWICEC . THREE TIMESD . FOUR TIMESView AnswerAnswer: B

Which of the following statements is true?A . PQRs qualified on P8 materials also qualify for P1 materials.B . Welding procedures must be supported by more than one PQR.C . All PQRs must be qualified with impact testing.D . One PQR may support several WPSs.View AnswerAnswer: D

Hardenability of a steel can be an indirect indicator of:A . WeldabilityB . ToughnessC . StrengthD . Cooling rateView AnswerAnswer: A

Which of the following can result from residual magnetism left in a partially completed weld?A . Excessive distortionB . Tendency of weld pool to be sluggishC . Deflection of the weld arcD . Solidification crackingView AnswerAnswer: C