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API API-577 Exam Syllabus Topics:
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NEW QUESTION # 18
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. 3 in.(76.2 mm)
- B. 2.5 in. (63.5 mm)
- C. 1.5 in. (38.0 mm)
- D. 3.5 in. (90.0 mm)
Answer: A
NEW QUESTION # 19
What is the purpose of the IQI?
- A. Establishing the depth that the radiation source penetrates
- B. Ascertaining how much radiation the source has penetrated the material
- C. Marking the radiographs with a definite identifying characteristic
- D. Determining that the required sensitivity of the radiograph is achieved
Answer: D
NEW QUESTION # 20
What term is used to describe the mechanical working of metals using impact blows?
- A. Needle gunning
- B. Hammering
- C. Peening
- D. Mechanical stress relieving
Answer: C
NEW QUESTION # 21
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. 0.42%
- B. 0.35%
- C. 0.30%
- D. 0.48%
Answer: A
NEW QUESTION # 22
The distance the weld metal extends from the weld face into a joint, exclusive of weld reinforcement is called:
- A. The weld body
- B. Complete penetration
- C. Groove angle
- D. Joint penetration
Answer: D
NEW QUESTION # 23
What is(are) the most appropriate action(s) to prepare an in-service carbon steel piping system that has been in caustic service for welding?
- A. Verify with pH paper that any surface liquid is "basic"
- B. Neutralize and clean the surface within 6 in. (150 mm) of weld bevels
- C. Steam out the piping system and dry
- D. Grind the surfaces near the bevel to remove contaminants
Answer: B
NEW QUESTION # 24
Which of the following is not usually an essential variable on a WPS form?
- A. Groove design
- B. Welding position
- C. Welding technique
- D. Base metal
Answer: C
NEW QUESTION # 25
General awareness of metallurgy is important to the welding inspector because:
- A. Welding processes can affect both mechanical and corrosion properties of a weldment.
- B. Physical properties of the final weldment can be significantly affected by preheat and postweld heat treatment (PWHT).
- C. The crystalline structure of base metals affects the resulting structure of the weld.
- D. A thorough knowledge of weld metal structures is necessary to understand weldability.
Answer: A
NEW QUESTION # 26
API Recommended Practice 2201 primarily covers the:
- A. Safety aspects of in-service welding.
- B. WPS/PQR aspects of in-service welding.
- C. Technical aspects of hot tapping.
- D. Weldability aspects of in-service welding.
Answer: A
NEW QUESTION # 27
Which of the following is a practical solution to eliminate or reduce porosity when welding carbon steel?
- A. Lower heat input
- B. Arc length control
- C. Proper shielding
- D. Reduce travel speed
Answer: C
NEW QUESTION # 28
What is the most appropriate action when an inspector finds improperly marked filler materials?
- A. Accept them if the markings are corrected.
- B. Reject them.
- C. Re-qualify the WPS.
- D. Accept them if nonessential variable.
Answer: B
NEW QUESTION # 29
What is the "area of interest" on a weld radiograph?
- A. The specific portion of a radiograph that needs to be evaluated
- B. The entire radiograph minus 2 in. (50.8 mm) from the edges
- C. The portion that is less than 3t from the center of the radiograph, where t is the thickness of the weld
- D. Only the area of contrasting density
Answer: A
NEW QUESTION # 30
One limitation of a shielded metal arc welding (SMAW) process is that:
- A. Deposition rates are lower than GMAW.
- B. The process cannot be used in areas of limited access.
- C. The process is sensitive to wind and draft.
- D. It has low tolerance for contaminants.
Answer: A
NEW QUESTION # 31
When radiographic examination is used for welder qualification utilizing the GMAW-S process, the minimum length of the test coupon to be examined is:
- A. The entire weld circumference for pipe coupon.
- B. Radiographic examination is not allowed.
- C. 6 in. for welder qualification.
- D. 36 in. for welder operator qualification.
Answer: C
NEW QUESTION # 32
Base metals are assigned P-numbers by the ASME Code, Section IX to reduce the number of:
- A. Required welding procedure specifications.
- B. Required mechanical tests.
- C. Required welding procedure qualifications.
- D. Required procedure and performance qualifications.
Answer: D
NEW QUESTION # 33
Items to be included in the WPS for GMAW process are:
- A. Joint design and test coupon thickness.
- B. Base metal P-number and deposited metal thickness.
- C. Type of welding process and test coupon thickness.
- D. Electrode-flux class and electrical characteristics.
Answer: C
NEW QUESTION # 34
For carbon steels, the HAZ includes those regions heated to a temperature greater than:
- A. 1250°F (677°C)
- B. 1150°F (621°C)
- C. 1350°F (730°C)
- D. 1050°F (556°C)
Answer: B
NEW QUESTION # 35
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. Short circuiting transfer
- B. Spray transfer
- C. Pulsed droplet transfer
- D. Globular transfer
Answer: B
NEW QUESTION # 36
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. 3 ft. (900 mm)
- C. 4 ft. (1200 mm)
- D. 2 ft. (600 mm)
Answer: D
NEW QUESTION # 37
Eddy current can be used to measure the:
- A. Thickness of surface coatings or cladding thickness.
- B. Thickness of parent metal below alloy metal claddings.
- C. Holidays in coatings or claddings.
- D. Extent of bonding of coatings or claddings.
Answer: A
NEW QUESTION # 38
Any electrodes that have become wet:
- A. Should be placed in a warming oven only if they are low-hydrogen.
- B. Should be discarded.
- C. Should not be used for jobs requiring low-hydrogen electrodes.
- D. Should be used at a higher amperage than recommended by the manufacturer.
Answer: C
NEW QUESTION # 39
P-numbers are based on which of the following?
- A. Weldability characteristics of base metal
- B. Chemical composition of the base metal
- C. Comparable base metal characteristics
- D. Electrode characteristics
Answer: A
NEW QUESTION # 40
Which of the following is a practical solution that could prevent or reduce lack of fusion in carbon steel during the weld process?
- A. Provide proper heat input
- B. Avoid excessive weaving
- C. Reduce travel speed
- D. Use proper joint design
Answer: A
NEW QUESTION # 41
When welding using the shielded metal arc welding (SMAW) process, which of the following best describes the appearance of excessive penetration on a radiograph?
- A. A localized darker density with fuzzy edges in the center of the width of the weld image.
- B. A lighter density in the center of the width of the weld image, either extended along the weld or in isolated circular drops.
- C. An abrupt density change across the width of the weld image with a straight longitudinal darker density line at the center of the width of the weld image along the edge of the density change.
- D. An irregular darker density near the center of the width of the weld image along the edge of the root pass image.
Answer: D
NEW QUESTION # 42
In magnetic particle examination, the yoke is placed parallel to the weld to detect cracks:
- A. In the undercutting.
- B. Parallel to the weld.
- C. In the HAZ.
- D. Transverse to the weld.
Answer: D
NEW QUESTION # 43
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