Explore topic-wise MCQs in Instrumentation Transducers.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Instrumentation Transducers knowledge and support exam preparation. Choose a topic below to get started.

1.

PVDF_IS_________________MATERIAL.?$

A. Piezoelectric
B. Magnetostrictive
C. Thermoelectric
D. Electrostrictive
Answer» B. Magnetostrictive
2.

SNR_is_signal_to_noise_ratio.$

A. True
B. False
Answer» B. False
3.

Copolymer of PVDF have lower temperature capacity than PVDF?

A. True
B. False
Answer» C.
4.

Thickness of PVDF film will be_______________

A. Less than 100um
B. Less than 10nm
C. Less than 100mm
D. Less than 1cm
Answer» B. Less than 10nm
5.

PVDF inultrasonic scanning technique can be used at temperature _________________

A. Less than 20<sup>0</sup>C
B. Less than 70<sup>0</sup>C
C. Greater than 100<sup>0</sup>C
D. None of the mentioned
Answer» C. Greater than 100<sup>0</sup>C
6.

By placing sensor nearer to AE, SNR _____________

A. Increases
B. Decreases
C. Doubles
D. No change
Answer» B. Decreases
7.

Acoustic emission signals will be of the form ______________

A. Discrete transients
B. Quasi continuous
C. Discrete or quasi continuous
D. None of the mentioned
Answer» D. None of the mentioned
8.

Which of the following causes acoustic emission in machineries?

A. Friction
B. Vibration
C. Turbulance
D. All of the mentioned
Answer» E.
9.

Phenomenon of producing sound under mechanical stress is called________________

A. Magnetostriction
B. Acoustiction
C. Electrostriction
D. Acoustic emission
Answer» E.
10.

AFM stands for ________________

A. Auto focusing microscope
B. Antenna focusing microscope
C. Atomic force microscope
D. None of the mentioned
Answer» D. None of the mentioned