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Free API-577 Exam Braindumps (page: 7)

Page 6 of 29
PDF with 110 Questions

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

  1. 0.05 - 2.7 ft./sec (0.015 - 0.82 m/sec)
  2. 1.3 - 4.0 ft./sec (0.40 - 1.20 m/sec)
  3. 2.3 - 3.3 ft./sec (0.70 - 1.00 m/sec)
  4. 4.1 - 5.5 ft./sec (1.25 - 1.68 m/sec)

Answer(s): B



A root opening of a groove weld is:

  1. The surface of a joint member included in the groove.
  2. A separation at the joint root between the work pieces.
  3. The beveled surface of the joint members.
  4. That portion of the groove face adjacent to the joint root.

Answer(s): B



The carbon equivalent formula indicates:

  1. Whether postweld heat treatment (PWHT) will be needed.
  2. Whether preheat will be needed.
  3. The theoretical carbon content of a steel.
  4. The weldability of a steel, based on carbon content.

Answer(s): D



P-numbers are based on which of the following?

  1. Comparable base metal characteristics
  2. Weldability characteristics of base metal
  3. Electrode characteristics
  4. Chemical composition of the base metal

Answer(s): B






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