API-577 practice materials Questions Answers

Exam Code:
API-577
Exam Name:
Welding Inspection and Metallurgy Exam
Last Update:
Jun 01,2026

110 Questions Answers Verified by Experts!


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Page: 1 / 22
Total Questions: 110

Questions & Answers PDF

• Question 1

  

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

  • Non-load-bearing welds.
  • Insulation and refractory pins.
  • Flat position welds.
  • Non-pressure-containing welds.

  Reveal Answer Answer: B Next Question

• Question 2

  

  A welding engineer or inspector should be notified when a weld has failed a weld quality test more than how many times in order to help determine the cause of the test failure?

  • ONCE
  • TWICE
  • THREE TIMES
  • FOUR TIMES

  Reveal Answer Answer: B Next Question

• Question 3

  

  What is the purpose of the IQI?

  • Determining that the required sensitivity of the radiograph is achieved
  • Marking the radiographs with a definite identifying characteristic
  • Ascertaining how much radiation the source has penetrated the material
  • Establishing the depth that the radiation source penetrates

  Reveal Answer Answer: A Next Question

• Question 4

  

  The distance the weld metal extends from the weld face into a joint, exclusive of weld reinforcement is called:

  • Groove angle
  • Joint penetration
  • The weld body
  • Complete penetration

  Reveal Answer Answer: B Next Question

• Question 5

  

  Filler metals are grouped according to their A-numbers to:

  • Minimize the number of performance qualifications.
  • Minimize the number of welding procedure qualifications.
  • Define the welding characteristics.
  • Designate similar chemical compositions.

  Reveal Answer Answer: D Next Question

• Question 6

  

  Items to be included in the PQR for the SMAW process are:

  • Welding process used and AWS classification numbers.
  • Welding process used and P-numbers of coupon welded.
  • P-numbers of coupon welded and AWS classification numbers.
  • Electrode-flux class and electrical characteristics.

  Reveal Answer Answer: B Next Question

• Question 7

  

  One limitation of a shielded metal arc welding (SMAW) process is that:

  • Deposition rates are lower than GMAW.
  • The process cannot be used in areas of limited access.
  • It has low tolerance for contaminants.
  • The process is sensitive to wind and draft.

  Reveal Answer Answer: A Next Question

• Question 8

  

  Which of the following is an important aspect of a qualified WPS?

  • Welder qualification
  • Maintaining project schedule
  • Welding program effectiveness
  • Fabrication quality control

  Reveal Answer Answer: D Next Question

• Question 9

  

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

  • MT
  • UT
  • ET
  • RT

  Reveal Answer Answer: B Next Question

• Question 10

  

  Which term is used to describe a groove melted into the base metal adjacent to the weld toe or weld root and left unfilled by weld metal?

  • Longitudinal groove
  • Incomplete fusion
  • Under fill
  • Undercut

  Reveal Answer Answer: D Next Question

Page: 1 / 22
Total Questions: 110

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