[UPDATED] API API-577 Certification Exam Questions
Quickly and Easily Pass API Exam with API-577 real Dumps
API API-577 Exam Syllabus Topics:
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NEW QUESTION # 45
If a test specimen from a welded coupon should fail during PQR mechanical tests:
- A. Two additional test specimens from the coupon must be tested and pass.
- B. The WPS fails.
- C. The test coupon fails and a new coupon is required.
- D. Three out of four of the required test specimens must pass.
Answer: C
NEW QUESTION # 46
Which of the following has the lowest range of welding currents and electrode diameters associated with the GMAW process?
- A. Spray transfer
- B. Globular transfer
- C. Short circuiting transfer
- D. Pulsed droplet transfer
Answer: C
NEW QUESTION # 47
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?
- A. TWICE
- B. ONCE
- C. THREE TIMES
- D. FOUR TIMES
Answer: A
NEW QUESTION # 48
Any electrodes that have become wet:
- A. Should not be used for jobs requiring low-hydrogen electrodes.
- B. Should be placed in a warming oven only if they are low-hydrogen.
- C. Should be used at a higher amperage than recommended by the manufacturer.
- D. Should be discarded.
Answer: A
NEW QUESTION # 49
Which of the following is a practical solution that could prevent or reduce lack of fusion in carbon steel during the weld process?
- A. Avoid excessive weaving
- B. Use proper joint design
- C. Provide proper heat input
- D. Reduce travel speed
Answer: C
NEW QUESTION # 50
Which of the following is not usually an essential variable on a WPS form?
- A. Welding position
- B. Welding technique
- C. Base metal
- D. Groove design
Answer: B
NEW QUESTION # 51
The size and width of the weld HAZ is dependent upon:
- A. The residual hardness of the weld joint.
- B. The heat input during welding.
- C. The properties of the base metal.
- D. The thickness of the metal.
Answer: B
NEW QUESTION # 52
Which of the following is a commonly accepted limitation of flux core arc welding (FCAW)?
- A. Large volumes of welding fumes are generated.
- B. It is more sensitive to drafts and wind than GMAW.
- C. Shielding must always be provided by an externally supplied gas.
- D. It has lower deposition rates than SMAW.
Answer: A
NEW QUESTION # 53
To reduce exposure to moisture of low-hydrogen electrodes after they have been removed from the manufacturer's packaging, they should be stored:
- A. In tightly sealed ovens.
- B. Under low humidity conditions.
- C. In warm holding ovens.
- D. In sealed plastic containers.
Answer: C
NEW QUESTION # 54
In alloy steel, a high hardness measurement could indicate:
- A. A correlation to a low tensile strength.
- B. The Brinell test device was struck too hard with the hammer.
- C. The presence of tempered martensite.
- D. The presence of untempered martensite.
Answer: D
NEW QUESTION # 55
When verifying that the filler metal selection is appropriate for the base metal being welded, an inspector should consider:
- A. Acceptability of physical properties.
- B. Need for postweld heat treatment (PWHT).
- C. Tensile strength to be higher than the base metal.
- D. Chemical composition.
Answer: D
NEW QUESTION # 56
The carbon equivalent formula indicates:
- A. Whether postweld heat treatment (PWHT) will be needed.
- B. The weldability of a steel, based on carbon content.
- C. Whether preheat will be needed.
- D. The theoretical carbon content of a steel.
Answer: B
NEW QUESTION # 57
For hot tap and in-service welding, above what carbon equivalent limit is it recommended to use extra low hydrogen electrodes to weld carbon steels?
- A. 0.48%
- B. 0.35%
- C. 0.42%
- D. 0.30%
Answer: C
NEW QUESTION # 58
Items to be included in the WPS for GMAW process are:
- A. Type of welding process and test coupon thickness.
- B. Base metal P-number and deposited metal thickness.
- C. Joint design and test coupon thickness.
- D. Electrode-flux class and electrical characteristics.
Answer: A
NEW QUESTION # 59
Which of the following weld flaws is described as a subsurface terrace and step-like crack weakened by dispersed planar-shaped inclusions?
- A. Lamellar tearing
- B. Sulfite stringers
- C. Hot cracking
- D. Hydrogen cracking
Answer: A
NEW QUESTION # 60
If a nonessential variable is changed on a WPS, which of the following actions must occur?
- A. The welding inspector can simply make the change on the WPS and initial as proof of acceptance.
- B. Impact testing must be performed at the discretion of the welding engineer.
- C. It may be changed on the WPS without requalifying the welding procedure.
- D. The welding procedure will need to be requalified by performing mechanical testing.
Answer: C
NEW QUESTION # 61
Exposed film that allows 1% of the incident light to pass through has a film density of:
- A. 2.0
- B. 1.0
- C. 4.0
- D. 3.0
Answer: D
NEW QUESTION # 62
What does an AWS classification number identify?
- A. Base metal and group number
- B. Electrode diameter and strength
- C. Chemical composition of the deposited weld metal
- D. Electrodes and welding rods
Answer: D
NEW QUESTION # 63
According to the PQR 8025, does the thickness range qualified concur with the thickness range as stated on the WPS 802?
- A. No, the PQR thickness should have been .560"
- B. Yes, but only for thicknesses greater than .280"
- C. No, the material thickness on the PQR should be .375"
- D. Yes, the PQR qualifies the ranges as stated on the WPS
Answer: D
NEW QUESTION # 64
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