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- Question 1 of 20
1. Question
Which of the following materials of the same alloy is most likely to produce the
greatest amount of sound attenuation over a given distance?CorrectIncorrect - Question 2 of 20
2. Question
1. Which of the following may result in a long narrow rod if the beam divergence results
in a reflection from a side of the test piece before the sound wave reaches the back
surface?CorrectIncorrect - Question 3 of 20
3. Question
The ability to separate echos from reflectors close together in depth is called:
CorrectIncorrect - Question 4 of 20
4. Question
2. Acoustic energy propagates in different modes. Which of the following represent a
mode?CorrectIncorrect - Question 5 of 20
5. Question
3. Which of the following would be considered application(s) of ultrasonic testing?
CorrectIncorrect - Question 6 of 20
6. Question
Greater depth of penetration in coarse grained material may be achieved using:
CorrectIncorrect - Question 7 of 20
7. Question
Lower frequency transducers produce:
CorrectIncorrect - Question 8 of 20
8. Question
4. Waves whose particle displacement is parallel to the direction of propagation are
called:CorrectIncorrect - Question 9 of 20
9. Question
Sound waves with particle displacement transverse to the direction of wave travel are
known as:CorrectIncorrect - Question 10 of 20
10. Question
Spurious indications might be caused by which of the following?
CorrectIncorrect - Question 11 of 20
11. Question
The portion of a test piece which is represented by the CRT screen area from zero to
the rightmost edge of the initial pulse is called:CorrectIncorrect - Question 12 of 20
12. Question
The only sound waves which travel in liquids are:
CorrectIncorrect - Question 13 of 20
13. Question
A significant limitation of a lower frequency, single element transducer is:
CorrectIncorrect - Question 14 of 20
14. Question
The most important factor required for the proper interpretation of ultrasonic test results is:
CorrectIncorrect - Question 15 of 20
15. Question
Which of the following frequencies would probably result in the greatest ultrasonic attenuation losses?
CorrectIncorrect - Question 16 of 20
16. Question
The angle formed by an ultrasonic wave as it enters a medium of different velocity than the one from which it came and a line drawn perpendicular to the interface between the two media is called:
CorrectIncorrect - Question 17 of 20
17. Question
Attenuation is made up of:
CorrectIncorrect - Question 18 of 20
18. Question
Which of the following is the least efficient generator of ultrasonic waves:
CorrectIncorrect - Question 19 of 20
19. Question
17. Which of the following is the least efficient receiver of ultrasonic Energy?
CorrectIncorrect - Question 20 of 20
20. Question
When a sound beam is incident on an acoustic interface at some angle other than normal incidence, which of the following occurs?
CorrectIncorrect