Transducer MCQ


Q.1 A device which converts one form of energy to another form is called as ________

a) Rectifier

b) Oscillator

c) Transducer

d) Filter

Answer: c

Q.2 The function of transducer is used to convert

a) Electrical signal into mechanical quantity

b) Non-electrical quantity into electrical signal

c) Electrical signals into non-electrical quantity

d) All of the above

Answer: b

Q.3 Active transducers works in the principle of

a) Energy conversion

b) Volume conversion 

c) Mass conversion

d) None of the above

Answer: a

Q.4 For the measurement of ________, Potentiometer transducers are used.

a) Displacement

b) Pressure

c) Humidity

d) Both a & b

Answer: d

Q.5 Capacitive transducer works on the principle of __________.

a) Inductance

b) Capacitance

c) Reluctance

d) Resistance

Answer: b

Q.6 Which of the following is the variable displacement transducer? 

a) Synchros

b) Potentiometer

c) Tachometer

d) All of the above

Answer: b

Q.7 Passive transducers develops electrical signals using ________

a) Diode

b) External source

c) Internal source

d) Transformer

Answer: b

Q.8 The output of the transducer must be __________.

a) High

b) Low

c) Unchanged

d) Zero

Answer: a

Q.9 The output of the transducer is

a) Exponential

b) Linear

c) Non-linear

d) Parabolic

Answer: b

Q.10 The temperature coefficient of the thermistor is

a) Negative

b) Positive

c) Zero

d) None of the above

Answer: b

Q.11 The linear variable differential transformer (LVDT) transducer is

a) Inductive Transducer 

b) Resistive Transducer

c) Capacitive Transducer

d) Non-Inductive Transducer

Answer: a

Q.12 Which instrument used for the pressure measurement?

a) Electronic

b) Electro-mechanical

c) Mechanical

d) All of the above

Answer: d

Q.13 Strain Gauge is the following type of transducer.

a) Inductive Transducer 

b) Resistive Transducer

c) Capacitive Transducer

d) Mechanical Transducer

Answer: b

Q.14 Piezoelectric Transducer is used for the measurement of

a) Electrical quantities

b) Non-Electrical quantities

c) Chemical quantities

d) any of the above

Answer: b

Q.15 The application o passive transducer is

a) Solar cell

b) Thermistor

c) Tachogenerator

d) Photovoltaic cell

Answer: b

These are most asked  mcqs on transducers with answers and most important transducer interview and Viva question.
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