API 577 EXAM QUESTIONS AND ANSWERS
To minimize burn-through, the first weld pass to equipment or piping less than (blank)
thick should be made with (blank) diameter welding electrode to limit heat input. -
Answers -1/4", 3/32" or smaller
What type of welding electrode should only be used when welding on in-service piping
or performing hot tap operations? - Answers -Low hydrogen electrodes (E7016,
E7018, and E7048).
Corrective action for a non-conformance will depend upon? - Answers -The nature of
the non-conformance and it's impact on the properties of the weldment
Tasks that a welding inspector should perform are? - Answers -Tasks prior to welding,
during welding, and upon completion of welding.
What does the "S" mean in the electrode identification system for GMAW and GTAW
welding process? - Answers -Solid Wire
What does the "XX" mean in the electrode identification system for GMAW or GTAW
welding process? - Answers -Strength
Electrodes and welding rods are assigned (blank) to reduce the number of welding
procedures and performance qualifications? - Answers -F Numbers
What should be done if welding consumables become wet? - Answers -Discarded
What should be done if welding consumables become slightly damp? - Answers -Dry
in a separate special oven
During the calibration of the UT instrument prior to performing UT on a hot material, the
calibration block should be at what temperature? - Answers -Within 25 deg. F of the
part to be examined
Which of the following is an autogenous weld? - Answers -Weld made without filler
metal
Which of the following is a defect? - Answers -A discontinuity that is considered
rejectable. A discontinuity that renders the part unable to meet acceptance standards.
Which of the following is the HAZ of a weld? - Answers -The portion of the base metal
whose mechanical properties or microstructure have been altered by the heat of
welding or thermal cutting.
Which of the following is an IQI? - Answers -Penetrameter
, Which of the following is considered peening? - Answers -Mechanical working of
metals using impact blows
NDE personnel are to be certified in accordance with? - Answers -ASNT SNT-TC-1A
or ANSI/ASNT CP-189
Which of the following arc welding processes is rarely used in fabrication or repair or
pressure equipment? - Answers -PAW
Which of the following is the most widely used arc welding process? - Answers -
SMAW
How is shielding of the weld pool accomplished when welding with SMAW process? -
Answers -By decomposition of the electrode covering
Which of the following is not a function of the electrode covering? - Answers -
Increases the grain size of the weld metal
Which of the following advantage does SMAW have over other welding process? -
Answers -Less sensitive to wind/drafts
Which of the following is a limitation of the SMAW process? - Answers -Low deposition
rate and slag removal requires many stops/starts
Which of the following describes how the arc is created by the GTAW process? -
Answers -Arc created between non-consumable electrode and weld pool
What type of current and polarity is typically used for GTAW process? - Answers -
DCEN
Which of the following welding process can be used to weld without the addition of filler
metal? - Answers -GTAW
Which of the following is not an advantage of the GTAW process? - Answers -
Deposition rates are higher than other arc welding processes
Which of the following is not a limitation of the GTAW process? - Answers -Weld is
more susceptible to lack of adequate fusion
Which of the following describes how the arc is created by the GMAW process? -
Answers -Arc is created between a continuous filler metal electrode and weld pool.
How is shielding of the weld pool accomplished when welding with GMAW process? -
Answers -Shielding Gas
What is GMAW-S welding proces? - Answers -Short-circuiting mode of GMAW
To minimize burn-through, the first weld pass to equipment or piping less than (blank)
thick should be made with (blank) diameter welding electrode to limit heat input. -
Answers -1/4", 3/32" or smaller
What type of welding electrode should only be used when welding on in-service piping
or performing hot tap operations? - Answers -Low hydrogen electrodes (E7016,
E7018, and E7048).
Corrective action for a non-conformance will depend upon? - Answers -The nature of
the non-conformance and it's impact on the properties of the weldment
Tasks that a welding inspector should perform are? - Answers -Tasks prior to welding,
during welding, and upon completion of welding.
What does the "S" mean in the electrode identification system for GMAW and GTAW
welding process? - Answers -Solid Wire
What does the "XX" mean in the electrode identification system for GMAW or GTAW
welding process? - Answers -Strength
Electrodes and welding rods are assigned (blank) to reduce the number of welding
procedures and performance qualifications? - Answers -F Numbers
What should be done if welding consumables become wet? - Answers -Discarded
What should be done if welding consumables become slightly damp? - Answers -Dry
in a separate special oven
During the calibration of the UT instrument prior to performing UT on a hot material, the
calibration block should be at what temperature? - Answers -Within 25 deg. F of the
part to be examined
Which of the following is an autogenous weld? - Answers -Weld made without filler
metal
Which of the following is a defect? - Answers -A discontinuity that is considered
rejectable. A discontinuity that renders the part unable to meet acceptance standards.
Which of the following is the HAZ of a weld? - Answers -The portion of the base metal
whose mechanical properties or microstructure have been altered by the heat of
welding or thermal cutting.
Which of the following is an IQI? - Answers -Penetrameter
, Which of the following is considered peening? - Answers -Mechanical working of
metals using impact blows
NDE personnel are to be certified in accordance with? - Answers -ASNT SNT-TC-1A
or ANSI/ASNT CP-189
Which of the following arc welding processes is rarely used in fabrication or repair or
pressure equipment? - Answers -PAW
Which of the following is the most widely used arc welding process? - Answers -
SMAW
How is shielding of the weld pool accomplished when welding with SMAW process? -
Answers -By decomposition of the electrode covering
Which of the following is not a function of the electrode covering? - Answers -
Increases the grain size of the weld metal
Which of the following advantage does SMAW have over other welding process? -
Answers -Less sensitive to wind/drafts
Which of the following is a limitation of the SMAW process? - Answers -Low deposition
rate and slag removal requires many stops/starts
Which of the following describes how the arc is created by the GTAW process? -
Answers -Arc created between non-consumable electrode and weld pool
What type of current and polarity is typically used for GTAW process? - Answers -
DCEN
Which of the following welding process can be used to weld without the addition of filler
metal? - Answers -GTAW
Which of the following is not an advantage of the GTAW process? - Answers -
Deposition rates are higher than other arc welding processes
Which of the following is not a limitation of the GTAW process? - Answers -Weld is
more susceptible to lack of adequate fusion
Which of the following describes how the arc is created by the GMAW process? -
Answers -Arc is created between a continuous filler metal electrode and weld pool.
How is shielding of the weld pool accomplished when welding with GMAW process? -
Answers -Shielding Gas
What is GMAW-S welding proces? - Answers -Short-circuiting mode of GMAW
