API API-577 Online Practice Questions and Exam Preparation

API API-577 Online Questions & Answers

• Question 51:

  Exposed film that allows 1% of the incident light to pass through has a film density of:

  A. 1.0
  B. 2.0
  C. 3.0
  D. 4.0
  C. 3.0

• Question 52:

  Crater cracks typically occur: A. In weld metal at the point where the arc terminates.

  B. In the HAZ at the point where the arc initiates.

  C. In weld metal at the point where the arc initiates.

  D. In the HAZ at the point where the arc terminates.

  Correct Answer. A
  A

• Question 53:

  Refer to the following diagram:

  

  Item#1 represents:

  A. root opening.
  B. root weld size.
  C. groove weld size.
  D. root face.
  A. root opening.

• Question 54:

  Which of the following determines the necessity for preheat and postweld heat treatment?

  A. The percentage of carbon that will be in the completed weld
  B. The as-rolled hardness of the welding components
  C. The carbon equivalent of the steel
  D. The rate of cooling after the welding is completed
  C. The carbon equivalent of the steel

• Question 55:

  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 process.
  C. Process is limited to a flat position.

• Question 56:

  Refer to the following diagram: Item#4 represents:

  

  A. bevel face.
  B. bevel angle.
  C. groove angle.
  D. groove face.
  B. bevel angle.

• Question 57:

  Stud arc welding is a specialized process predominantly limited to welding:

  A. Non-load-bearing welds.
  B. Insulation and refractory pins.
  C. Flat position welds.
  D. Non-pressure-containing welds.
  B. Insulation and refractory pins.

• Question 58:

  What is the most capable NDE method for finding a discontinuity such as incomplete fusion in a joint?

  A. MT
  B. UT
  C. ET
  D. RT
  B. UT

• Question 59:

  At least how far on each side of the weld should preheat be maintained?

  A. 2 in. (5.1 cm)
  B. 3 in. (7.6 cm)
  C. 4 in. (10.2 cm)
  D. 6 in. (15.2 cm)
  D. 6 in. (15.2 cm)

• Question 60:

  At any time during the welding inspection, if defects are identified:

  A. They should be corrected before welding proceeds further.
  B. The inspector should seek engineering input on whether the defect is actually acceptable.
  C. The inspector should determine whether the weld may be acceptable for the intended service.
  D. The inspector should examine all welds produced by the same welder.
  A. They should be corrected before welding proceeds further.