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- Question 1 of 15
1. Question
Which of the following frequencies would probably result in the greatest attenuation loss?
CorrectIncorrect - Question 2 of 15
2. Question
The technique in which a flowing stream of water is used to couple the transducer to the test specimen is called:
CorrectIncorrect - Question 3 of 15
3. Question
A discontinuity can be caused within a casting as it solidifies. It would be called:
CorrectIncorrect - Question 4 of 15
4. Question
In its original shape, porosity would appear:
CorrectIncorrect - Question 5 of 15
5. Question
Porosity is sometimes found in plate or sheet metal and is given the name:
CorrectIncorrect - Question 6 of 15
6. Question
Whenever an ultrasonic incident angle is set at 5 degrees from normal:
CorrectIncorrect - Question 7 of 15
7. Question
In selecting a suitable couplant, which of the following characteristics would not affect the selection?
CorrectIncorrect - Question 8 of 15
8. Question
A straight beam contact transducer consists of:
CorrectIncorrect - Question 9 of 15
9. Question
In immersion testing, a wetting agent is added to the water to:
CorrectIncorrect - Question 10 of 15
10. Question
When contact testing, if the ultrasonic instrument is set with an excessively high pulse repetition frequency:
CorrectIncorrect - Question 11 of 15
11. Question
When C-scan recording is used to produce a permanent record of an ultrasonic test, the information displayed is typically the discontinuity’s:
CorrectIncorrect - Question 12 of 15
12. Question
The component in an ultrasonic immersion system that is used to adjust and maintain a known transducer angle is called:
CorrectIncorrect - Question 13 of 15
13. Question
A type of data presentation most likely to be used with a high speed automatic scanning system is:
CorrectIncorrect - Question 14 of 15
14. Question
What type of ultrasonic examination uses wheel-type transducers that eliminate the use of a tank?
CorrectIncorrect - Question 15 of 15
15. Question
When inspecting coarse-grained material, a sound wave is most easily scattered by the grain structure by a frequency of:
CorrectIncorrect