ASNT Visual Testing Level 2 Exam Questions And Answers Solved 100% Correct!!
Which of the following are typical of foreign matter which might block the openings of discontinuities if the surface of a test specimen is NOT properly cleaned?
A. Paint
B. Scale
C Core and mold material
D. All of ...
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ASNT Visual Testing Level 2 Exam Questions And
Answers Solved 100% Correct!!
Which of the following are typical of foreign matter which might block the
openings of discontinuities if the surface of a test specimen is NOT properly
cleaned?
A. Paint
B. Scale
C Core and mold material
D. All of the above
D (Yes, all three foreign materials can inhibit defect detection if not carefully removed.)
A large forging is repaired by welding. Visual inspection of the repair weld reveals
an irregular indication running parallel with the weld passes. It is located near the
center of the bead and starts and ends by turning off slightly from the axial
direction. This indication is indicative of:
A. inclusions
B. crater cracks
C. weld shrinkage cracks
D. surface checking
C (Yes, crater cracks are a type of weld shrinkage cracks, but are more localized and
appear at random.)
The general term used to refer to a break in the metallic continuity of the part
being tested is:
A. discontinuity
B. crack
C. seam
D. lap
A (Yes, discontinuities are breaks in metallic continuity)
The most common failure mechanism associated with sharp fillets, notches,
undercuts, and seams is:
A. fatigue cracking
B. crystallization
C. shrinkage
D. decarburization
A (Yes, fatigue cracks normally develop in, or, adjacent to areas of stress concentration.
Of the following discontinuity categories, which one is considered most
detrimental to the service life of an item?
A. Subsurface inclusion
B. Subsurface porosity and voids
C. Cracks open to the surface
D. All of the above
C ( Yes, open cracks are sites of potential catastrophic failure and can always be
considered a defect)
Which of these cracks may appear as an irregular, checked, or scattered pattern
of fine lines usually caused by local overheating?
, A. Fatigue cracks
B. Grinding cracks
C. Crater cracks
D. HAZ cracks
B (Yes, grinding of hardened surfaces can create overheating that results in fine shallow
cracks)
Which of the following is a defect commonly associated with the welding
process?
A. Lack of penetration
B. Flacks
C. Seams
D. Laminations
A ( Yes, lack of penetration is generally irregular and filamentary occurring at the root of
the weld.)
Which one of the following is not a discontinuity common to forged products?
A. Laps
B. Shrinkage
C. Bursts
D. Flakes
B (Correct, shrinkage occurs in casting and in welds.)
Which one of the following is not a discontinuity common to rolled products?
A. Seams
B. Laminations
C. Cold shuts
D. Cracks
C (Correct, cold shuts result in ferrous or nonferrous cast material.)
Forging laps occur in what relation to the axial direction of a part?
A. May occur anywhere on surface and may bear no relation to axial direction of
the part
B. Always are found on thermal centerline
C. Are found on surface of part at a 90 degree angle to long axis
D. May occur anywhere in the part and always run in direction of working.
A (Yes, forging laps may occur on any part of the article.)
Discontinuities in plate, sheet, or strip caused by pipe, inclusion, or blowholes in
the original ingot which after rolling are usually flat and parallel to the outside
surface are called:
A. seams
B. laminations
C. cracks
D. laps
B (Yes, laminations are separations or weaknesses generally aligned parallel to the
work surface.)
A rough forging discontinuity has the following characterisitics: can occur on
surface or internally; is often caused by excessive working; and creates cavities
varying in size. How would it be identified?
A. Burst
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