[2025] New API-577 exam dumps Use Updated API Exam
Verified API-577 Dumps Q&As - API-577 Test Engine with Correct Answers
API API-577 Exam Syllabus Topics:
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NEW QUESTION # 54
To reduce the possibility of cracking, which of the following maximum hardness levels is required for weldments in wet H2S service?
- A. HRC 25
- B. HRC 22
- C. HRC 20
- D. HRC 32
Answer: B
NEW QUESTION # 55
What is the most appropriate action when an inspector finds improperly marked filler materials?
- A. Accept them if the markings are corrected.
- B. Accept them if nonessential variable.
- C. Re-qualify the WPS.
- D. Reject them.
Answer: D
NEW QUESTION # 56
As a result of welding, metals with a high coefficient of thermal expansion are:
- A. More susceptible to brittle fracture.
- B. More susceptible to distortion during welding.
- C. Less susceptible to cracking during welding.
- D. Less susceptible to brittle fracture.
Answer: B
NEW QUESTION # 57
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 # 58
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. 4 ft. (1200 mm)
- D. 3 ft. (900 mm)
Answer: B
NEW QUESTION # 59
A "mill certificate" is a/an:
- A. List of the chemical and mechanical properties specified by a purchaser.
- B. Analysis of the chemical elements in an ingot.
- C. Product analysis of mechanical properties of a base metal.
- D. Chemical analysis of a base metal to be welded.
Answer: A
NEW QUESTION # 60
For carbon steels, the HAZ includes those regions heated to a temperature greater than:
- A. 1050°F (556°C)
- B. 1150°F (621°C)
- C. 1350°F (730°C)
- D. 1250°F (677°C)
Answer: B
NEW QUESTION # 61
For what maximum outside diameter may a radiographic technique be used in which the radiation passes through two walls and the weld in both walls is viewed for acceptance?
- A. 2.5 in. (63.5 mm)
- B. 3 in.(76.2 mm)
- C. 1.5 in. (38.0 mm)
- D. 3.5 in. (90.0 mm)
Answer: B
NEW QUESTION # 62
Which source of radiation is normally used for performing field radiography on steel with a 4-in. thickness?
- A. X-ray machine
- B. Selenium 75
- C. Cobalt 60
- D. Iridium 192
Answer: C
NEW QUESTION # 63
Refer to the following diagram:
Item#1 represents:
- A. root opening.
- B. groove weld size.
- C. root weld size.
- D. root face.
Answer: A
NEW QUESTION # 64
Stud arc welding is a specialized process predominantly limited to welding:
- A. Insulation and refractory pins.
- B. Flat position welds.
- C. Non-load-bearing welds.
- D. Non-pressure-containing welds.
Answer: A
NEW QUESTION # 65
Prior to any welding, inspectors should review the:
- A. WPQ to verify that the welder is qualified to perform the welding, given its position and process.
- B. WPS to verify that the welder is qualified to perform the welding, given its position and process.
- C. WPQ to verify that the specification in use is correct.
- D. PQR to verify that the welder is qualified to perform the welding, given its position and process.
Answer: B
NEW QUESTION # 66
When verifying that the filler metal selection is appropriate for the base metal being welded, an inspector should consider:
- A. Need for postweld heat treatment (PWHT).
- B. Acceptability of physical properties.
- C. Tensile strength to be higher than the base metal.
- D. Chemical composition.
Answer: D
NEW QUESTION # 67
Hot tapping and in-service welding should be carried out only with:
- A. Cellulosic-type electrodes to reduce penetration.
- B. Steels that have a carbon equivalent below 0.30.
- C. Low-hydrogen consumables and electrodes.
- D. Low-hydrogen root pass and cellulosic weld out.
Answer: C
NEW QUESTION # 68
What does an AWS classification number identify?
- A. Electrodes and welding rods
- B. Chemical composition of the deposited weld metal
- C. Base metal and group number
- D. Electrode diameter and strength
Answer: A
NEW QUESTION # 69
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. THREE TIMES
- B. TWICE
- C. FOUR TIMES
- D. ONCE
Answer: B
NEW QUESTION # 70
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