API API-577 Online Practice Questions and Exam Preparation

API API-577 Online Questions & Answers

• Question 1:

  Any electrodes that have become wet:

  A. Should be placed in a warming oven only if they are low-hydrogen.
  B. Should not be used for jobs requiring low-hydrogen electrodes.
  C. Should be used at a higher amperage than recommended by the manufacturer.
  D. Should be discarded.
  B. Should not be used for jobs requiring low-hydrogen electrodes.

• Question 2:

  Steels usually require both preheat and PWHT if they have a carbon equivalent higher than:

  A. 0.35
  B. 0.45
  C. 0.50
  D. 0.55
  B. 0.45

• Question 3:

  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. ONCE
  B. TWICE
  C. THREE TIMES
  D. FOUR TIMES
  B. TWICE

• Question 4:

  Which welding process has been associated most with lack of fusion with shop-fabricated piping?

  A. GMAW-S
  B. GMAW-SF
  C. FCAW
  D. FCAW-SW
  A. GMAW-S

• Question 5:

  Which of the following is used to determine the soundness and ductility of a groove weld?

  A. Ductility test
  B. Guided bend test
  C. Notch toughness test
  D. Tension test
  B. Guided bend test

• Question 6:

  The change in shape (deformation) that a test specimen experiences when it is stressed or loaded is called:

  A. Yield.
  B. Strain.
  C. Stress.
  D. Plasticity.
  B. Strain.

• Question 7:

  Hardness testing of production welds and the HAZ requires test areas to be:

  A. Ground to a smooth contour.
  B. Cleaned down to the bare metal.
  C. Cleaned to remove surface scale and flux.
  D. Clean, flat area or even flush with the base metal.
  D. Clean, flat area or even flush with the base metal.

• Question 8:

  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)
  B. 12 in. (300 mm)

• Question 9:

  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. The WPS fails.
  B. The test coupon fails and a new coupon is required.

• Question 10:

  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.
  B. To establish the properties of the weldment.