Interview question based on skill :
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Total Questions: 5
1. It is not possible to get a constant single frequency using magnetostriction effect.
Correct Answer is : TRUE
2. Which of the following effects can be used to produce ultrasonic waves?
Correct Answer is : Magnetostriction effect
3. When is ultrasonic waves produced using piezo electric oscillator?
Correct Answer is : At resonance
4. Which of the following causes acoustical grating?
Correct Answer is : Ultrasonic waves
5. What is the principle for measurement of the velocity of ultrasonic waves?
Correct Answer is : Acoustical grating
