API Welding Inspection and Metallurgy API-577 Dumps in PDF

Free API API-577 Real Questions (page: 20)

Which of the following has the lowest range of welding currents and electrode diameters associated with the GMAW process?

  1. Short circuiting transfer
  2. Pulsed droplet transfer
  3. Globular transfer
  4. Spray transfer

Answer(s): A



To reduce exposure to moisture of low-hydrogen electrodes after they have been removed from the manufacturer's packaging, they should be stored:

  1. Under low humidity conditions.
  2. In warm holding ovens.
  3. In sealed plastic containers.
  4. In tightly sealed ovens.

Answer(s): B



The direction of magnetic flux can be confirmed by the use of a:

  1. Pie gauge.
  2. Magnetic-field-sensitive crayon.
  3. Flux line sensitizer.
  4. Calibration gauge.

Answer(s): A



Which of the following is a commonly accepted limitation of flux core arc welding (FCAW)?

  1. It is more sensitive to drafts and wind than GMAW.
  2. It has lower deposition rates than SMAW.
  3. Shielding must always be provided by an externally supplied gas.
  4. Large volumes of welding fumes are generated.

Answer(s): D



What is the minimum liquid level that should be maintained above the area that is to be hot tapped on a storage tank or vessel?

  1. 1 ft. (300 mm)
  2. 2 ft. (600 mm)
  3. 3 ft. (900 mm)
  4. 4 ft. (1200 mm)

Answer(s): B



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