API API-577 Online Practice Questions and Exam Preparation

API API-577 Online Questions & Answers

• Question 71:

  When performing a carbon steel to carbon steel hot tap where the CE of one of the metals is greater than 0.42%, which of the following electrodes should be used?

  A. E7048-H4
  B. E7048
  C. E7018-A1
  D. E7018
  D. E7018

• Question 72:

  For GMAW welding, the last number of the electrode identifies the:

  A. Chemical composition.
  B. Strength of the electrode.
  C. Coating characteristics.
  D. Operating characteristics.
  D. Operating characteristics.

• Question 73:

  Which of the following weld flaws is described as a subsurface terrace and step-like crack weakened by dispersed planar-shaped inclusions?

  A. Lamellar tearing
  B. Hydrogen cracking
  C. Sulfite stringers
  D. Hot cracking
  A. Lamellar tearing

• Question 74:

  What is the liquid flow rate range that should be maintained in piping to be hot tapped?

  A. 0.05 - 2.7 ft./sec (0.015 - 0.82 m/sec)
  B. 1.3 - 4.0 ft./sec (0.40 - 1.20 m/sec)
  C. 2.3 - 3.3 ft./sec (0.70 - 1.00 m/sec)
  D. 4.1 - 5.5 ft./sec (1.25 - 1.68 m/sec)
  B. 1.3 - 4.0 ft./sec (0.40 - 1.20 m/sec)

• Question 75:

  Remote examination of welds may use aids such as telescopes, borescopes, fiberscopes, cameras, or other suitable instruments provided they have:

  A. Good perception and the inspection would be approximately equal to a direct visual exam.
  B. Sensitivity to find possible defects that a direct visual exam would produce.
  C. A resolution at least equivalent to that which is attained by direct visual examination.
  D. A greater acuity than the eye and the inspection would be better than a direct visual.
  C. A resolution at least equivalent to that which is attained by direct visual examination.

• Question 76:

  API Recommended Practice 577 provides:

  A. A definition of welds that should be inspected in refinery and chemical plant equipment.
  B. A definition of specific techniques and practices that should be used for welding inspection.
  C. Guidance on the extent and scope of inspection required for specific types of welds.
  D. Guidance on welding inspection during the fabrication and repairing of refinery equipment and piping.
  D. Guidance on welding inspection during the fabrication and repairing of refinery equipment and piping.

• Question 77:

  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%
  C. 8%-18%

• Question 78:

  In alloy steel, a high hardness measurement could indicate:

  A. A correlation to a low tensile strength.
  B. The presence of untempered martensite.
  C. The Brinell test device was struck too hard with the hammer.
  D. The presence of tempered martensite.
  B. The presence of untempered martensite.

• Question 79:

  Which of the following is the test that can measure most aspects of weldability?

  A. Impact testing
  B. There is no single test
  C. Weld tension tests
  D. Bend testing
  B. There is no single test

• Question 80:

  What is a discontinuity?

  A. An interruption in the normal physical structure of a material.
  B. An imperfection which is detectable with NDE.
  C. The response or evidence from the application of NDE.
  D. A departure of a quality characteristic from its intended condition.
  A. An interruption in the normal physical structure of a material.