New 2025 Latest Questions API-577 Dumps - Use Updated API Exam
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NEW QUESTION # 60
Items to be included in the WPS for GMAW process are:
- A. Base metal P-number and deposited metal thickness.
- B. Type of welding process and test coupon thickness.
- C. Joint design and test coupon thickness.
- D. Electrode-flux class and electrical characteristics.
Answer: B
NEW QUESTION # 61
What is a discontinuity?
- A. An interruption in the normal physical structure of a material.
- B. The response or evidence from the application of NDE.
- C. A departure of a quality characteristic from its intended condition.
- D. An imperfection which is detectable with NDE.
Answer: A
NEW QUESTION # 62
At any time during the welding inspection, if defects are identified:
- A. The inspector should determine whether the weld may be acceptable for the intended service.
- B. The inspector should seek engineering input on whether the defect is actually acceptable.
- C. The inspector should examine all welds produced by the same welder.
- D. They should be corrected before welding proceeds further.
Answer: D
NEW QUESTION # 63
Which of the following can result from residual magnetism left in a partially completed weld?
- A. Tendency of weld pool to be sluggish
- B. Solidification cracking
- C. Deflection of the weld arc
- D. Excessive distortion
Answer: C
NEW QUESTION # 64
When welding nickel alloys, it is important that:
- A. The bevel angle be wide enough to allow oscillation of welding torch.
- B. A wide face and thinner bevel be used.
- C. Preheating is always performed to prevent hot cracking.
- D. The cooling rate be controlled in order to prevent rapid cooling.
Answer: D
NEW QUESTION # 65
A-number groupings are based upon the:
- A. Type and strength of base metal.
- B. Weldability characteristics of the metal.
- C. Chemical composition of the deposited weld metal.
- D. Comparable base metal ultimate strength values.
Answer: C
NEW QUESTION # 66
Hardness testing of production welds and the HAZ requires test areas to be:
- A. Cleaned down to the bare metal.
- B. Ground to a smooth contour.
- C. Cleaned to remove surface scale and flux.
- D. Clean, flat area or even flush with the base metal.
Answer: D
NEW QUESTION # 67
What term is used to describe the mechanical working of metals using impact blows?
- A. Needle gunning
- B. Hammering
- C. Mechanical stress relieving
- D. Peening
Answer: D
NEW QUESTION # 68
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 discarded.
- D. Should be used at a higher amperage than recommended by the manufacturer.
Answer: A
NEW QUESTION # 69
Mechanical tests are required to qualify a welding procedure to document that the properties of the weldment meet which of the following?
- A. The minimum established acceptance criteria.
- B. The requirements as established in ASME Section XI.
- C. The same criteria required for welder qualification.
- D. The expected load for which the weld will be subject.
Answer: A
NEW QUESTION # 70
Exposed film that allows 1% of the incident light to pass through has a film density of:
- A. 4.0
- B. 1.0
- C. 3.0
- D. 2.0
Answer: C
NEW QUESTION # 71
According to the PQR 8025, does the thickness range qualified concur with the thickness range as stated on the WPS 802?
- A. Yes, the PQR qualifies the ranges as stated on the WPS
- B. Yes, but only for thicknesses greater than .280"
- C. No, the PQR thickness should have been .560"
- D. No, the material thickness on the PQR should be .375"
Answer: A
NEW QUESTION # 72
Base metals are assigned P-numbers by the ASME Code, Section IX to reduce the number of:
- A. Required procedure and performance qualifications.
- B. Required welding procedure qualifications.
- C. Required mechanical tests.
- D. Required welding procedure specifications.
Answer: A
NEW QUESTION # 73
Which of the following is an important aspect of a qualified WPS?
- A. Welding program effectiveness
- B. Maintaining project schedule
- C. Welder qualification
- D. Fabrication quality control
Answer: D
NEW QUESTION # 74
Which welding process produces a fast-freezing weld pool and is generally suited for joining thin sections or root passes?
- A. FCAW
- B. GMAW-S
- C. GMAW
- D. GTAW
Answer: D
NEW QUESTION # 75
How much should each pass of the transducer overlap the previous path during a weld scan?
- A. 20% of the transducer element dimension.
- B. 10% of the transducer element dimension.
- C. 15% of the transducer element dimension.
- D. 5% of the transducer element dimension.
Answer: B
NEW QUESTION # 76
Which of the following statements concerning electrode storage in ovens is true?
- A. Low-hydrogen electrodes should never be stored with stainless-steel electrodes.
- B. Electrodes should never be stored in an oven that is used for food storage.
- C. Electrode ovens should be heated by any means, but must have automatic heat controls and visible temperature indicators.
- D. Low-hydrogen electrodes may be stored in ovens with cellulose-based electrodes, but must be in their original, unopened containers.
Answer: A
NEW QUESTION # 77
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. 0.35%
- B. 0.42%
- C. 0.30%
- D. 0.48%
Answer: B
NEW QUESTION # 78
Which source of radiation is normally used for performing field radiography on steel with a 4-in. thickness?
- A. Iridium 192
- B. X-ray machine
- C. Cobalt 60
- D. Selenium 75
Answer: C
NEW QUESTION # 79
Where is the weld HAZ assumed to be for purposes of hardness testing?
- A. Just adjacent to the toe of the weld
- B. 1 inch on either side of the centerline of the weld
- C. 0.25 inch on either side of the fusion zone
- D. 0.25 inch away from the toe of the weld into the base metal
Answer: A
NEW QUESTION # 80
The most common measure of weldability and susceptibility to hot cracking of austenitic stainless steels is the ferrite content of the weld metal. Which of the following ranges is the recommended minimum ferrite content of the weld metal needed to prevent cracking?
- A. 5%-20%
- B. 15%-20%
- C. 1%-10%
- D. 8%-18%
Answer: D
NEW QUESTION # 81
If a test specimen from a welded coupon should fail during PQR mechanical tests:
- A. Three out of four of the required test specimens must pass.
- B. The test coupon fails and a new coupon is required.
- C. The WPS fails.
- D. Two additional test specimens from the coupon must be tested and pass.
Answer: B
NEW QUESTION # 82
Which of the following is the test that can measure most aspects of weldability?
- A. Weld tension tests
- B. Bend testing
- C. Impact testing
- D. There is no single test
Answer: D
NEW QUESTION # 83
To avoid burn through during in-service welding on thinner wall equipment, it is generally recommended to:
- A. Use high heat input.
- B. Maximize weaving the bead.
- C. Minimize weaving the bead.
- D. Use larger diameter electrodes.
Answer: C
NEW QUESTION # 84
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