| 31. |
Non Destructive Testing is an experimental method used to study the __________ of materials under operating conditions.
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Answer:
Option (a) |
| 32. |
Can ultrasonic waves be used to detect defect in a metal without damaging the material?
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Answer:
Option (a) |
| 33. |
Following is an example of application of ultrasonic wave
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Answer:
Option (d) |
| 34. |
The following can be considered as an objective for using NDT technique
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Answer:
Option (a) |
| 35. |
One can detect Internal stresses & strain with the help of
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Answer:
Option (d) |
| 36. |
NDT __________ the service life of material under test
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Answer:
Option (c) |
| 37. |
In service testing is not possible in which type of testing?
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Answer:
Option (a) |
| 38. |
The change in velocity of ultrasonic waves with frequency is known as __________ of ultrasonic waves
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Answer:
Option (b) |