This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Micro Sensors”.
1. MEM stands for _________________
a) Macro electro magnetism
b) Macro electro mechanism
c) Micro electro mechanism
d) Micro electro magnetism
View Answer
Explanation: MEM is the short form of Micro electro mechanism.
2. Which of the following represents the inverse transducer of a microphone?
a) Micro speaker
b) Pressure transducer
c) Bourden element
d) All of the mentioned
View Answer
Explanation: Inverse transducer system of microphone is microspeaker.
3. Which of the following provides high thermal stability as bimorph?
a) Silicon nitride
b) Parylene D
c) Silicon oxide
d) None of the mentioned
View Answer
Explanation: Parylene D provides high thermal stability as a bimorph.
4. Gyroscopes are _______________
a) Inertial sensors
b) Pressure sensors
c) Voltage sensors
d) Humidity sensors
View Answer
Explanation: Gyroscopes are inertial sensors, intended for detecting inertial motion.
5. Polymer thick film can act as a sensing element.
a) True
b) False
View Answer
Explanation: Polymer thick film can act as a sensing element for different measures.
6. Which of the following is not a polymer matrix?
a) Epoxy resin
b) Silicon resin
c) Phenolic resin
d) None of the mentioned
View Answer
Explanation: All of the mentioned materials are polymer matrix.
7. Which of the following is not a conductive paste?
a) Copper
b) Carbon particles
c) Silver particles
d) None of the mentioned
View Answer
Explanation: Carbon particles are resistive paste.
8. Polymers can act as humidity sensors.
a) True
b) False
View Answer
Explanation: Polymers can act as humidity sensors since they absorb water and change resistance.
9. PZT stands for _______________
a) Poly zirconate titanate
b) Lead zirconate tartarate
c) Poly zirconate trioxide
d) Poly zirconate tetranitrate
View Answer
Explanation: Lead zirconate tartarate is also known as PZT.
10. Which of the following is not a piezo electric sensor?
a) PZT
b) Roscelle salt
c) Quartz
d) None of the mentioned
View Answer
Explanation: PZT, roscelle salt, and quartz can act as piezo electric sensors.
Sanfoundry Global Education & Learning Series – Instrumentation Transducers.
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