[Solved] A disadvantage of using natural quartz crystals in a search unit is that:

McqMate

Q.	A disadvantage of using natural quartz crystals in a search unit is that:
A.	It will dissolve in water
B.	It is the least effective generator of ultrasonic energy of all commonly used materials
C.	It easily loses it operating characteristics as it ages
D.	None of the above is correct
Answer» B. It is the least effective generator of ultrasonic energy of all commonly used materials

2.8k

0

Do you find this helpful?

60

View all MCQs in

Non Destructive Testing and Evaluation

Discussion

No comments yet

Related MCQs

AA material used between the face of a search unit and the test surface to permit or improve the transmission of ultrasonic vibrations from the search unit to the material being tested is called:
Which of the following search units would contain the thinnest quartz crystal?
An ultrasonic test using a straight beam contact search unit is being conducted through the thickness of a flat part such as a plate. This test should detect:
A reason for using a dual element search unit is:
Which one of the following steps is necessary to dissolve the undarkened silver salt crystals in the film emulsion:
Y cut crystals produce:
X cut crystals produce:
What is a disadvantage of using the fluorescent penetrant process?
A disadvantage of using a high frequency ultrasonic transducer is:
A A disadvantage of using a low frequency ultrasonic transducer is: