TRANSDUCER

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1.

Piezo-electric transducers are?

Pulse transducers

Digital transducers

Passive transducers

Inverse transducers

2.

A potentiometer is

capacitive transducer

none of the above

Resistive transducer

Inductive transducer

3.

What is differential transformer?

Variable inductance transducer

Constant pressure transducer

Constant displacement transducer

Variable pressure transducer

4.

Which one of the following is the best method of measurement of temperature of hot bodies radiation energy in visible spectrum?

Bolometer

Optical pyrometer

Thermocouple

Thermopile

5.

A control system in which the control action is somehow dependent on the output is known as

Open system None of the Above

Closed control system

Semiclose control system

None of the Above

Name

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