API API-577 Online Practice Questions and Exam Preparation

API API-577 Online Questions & Answers

• Question 21:

  A "mill certificate" is a/an:

  A. Analysis of the chemical elements in an ingot.
  B. Chemical analysis of a base metal to be welded.
  C. List of the chemical and mechanical properties specified by a purchaser.
  D. Product analysis of mechanical properties of a base metal.
  C. List of the chemical and mechanical properties specified by a purchaser.

• Question 22:

  What is the "area of interest" on a weld radiograph?

  A. The entire radiograph minus 2 in. (50.8 mm) from the edges
  B. Only the area of contrasting density
  C. The specific portion of a radiograph that needs to be evaluated
  D. The portion that is less than 3t from the center of the radiograph, where t is the thickness of the weld
  C. The specific portion of a radiograph that needs to be evaluated

• Question 23:

  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?

  A. 1 ft. (300 mm)
  B. 2 ft. (600 mm)
  C. 3 ft. (900 mm)
  D. 4 ft. (1200 mm)
  B. 2 ft. (600 mm)

• Question 24:

  For SMAW welding, the last number of the electrode identification identifies:

  A. Chemical composition.
  B. Electrode operating characteristics.
  C. Welding position.
  D. Coating operating characteristics.
  D. Coating operating characteristics.

• Question 25:

  In hardness testing of carbon steel weldment specimens, there is an approximate relationship between hardness and:

  A. Toughness
  B. Tensile strength
  C. Ductility
  D. Yield strength
  B. Tensile strength

• Question 26:

  The size and width of the weld HAZ is dependent upon:

  A. The properties of the base metal.
  B. The thickness of the metal.
  C. The residual hardness of the weld joint.
  D. The heat input during welding.
  D. The heat input during welding.

• Question 27:

  A four-digit designation for a SMAW electrode under AWS classification uses the third digit to define the:

  A. Coating characteristics.
  B. Chemical composition.
  C. Strength of the filler metal.
  D. Welding position.
  D. Welding position.

• Question 28:

  Which of the following statements concerning electrode storage in ovens is true?

  A. Electrodes should never be stored in an oven that is used for food storage.
  B. Low-hydrogen electrodes may be stored in ovens with cellulose-based electrodes, but must be in their original, unopened containers.
  C. Electrode ovens should be heated by any means, but must have automatic heat controls and visible temperature indicators.
  D. Low-hydrogen electrodes should never be stored with stainless-steel electrodes.
  D. Low-hydrogen electrodes should never be stored with stainless-steel electrodes.

• Question 29:

  Which of the following transfer methods associated with GMAW is characterized by a highly directed stream of discrete drops that are accelerated by arc forces, and negligible spatter?

  A. Pulsed droplet transfer
  B. Short circuiting transfer
  C. Globular transfer
  D. Spray transfer
  D. Spray transfer

• Question 30:

  Hardenability of a steel can be an indirect indicator of:

  A. Weldability
  B. Toughness
  C. Strength
  D. Cooling rate
  A. Weldability