Quiz on Transducers and Sensors

Which of the following is a variable displacement transducer?

• tachometer

• potentiometer

• synchros

• accelerometer

The deflection of hot-wire instrument depends on?

• Peak value of current

• RMS value of the alternating current

• Average value of current

• Instantaneous value of alternating current

How many types of transducers are there?

• 10

• 4

• 2

• 6

Mechanical transducers sense __________?

• electrical changes

• physical changes

• chemical changes

• thermal changes

Electrical transducers generate ________?

• biological signals

• chemical signals

• physical signals

• electrical signals

Electrical signals are easy to amplify.

• True

• False

• Rarely

• Sometimes

The power needs of electrical transducers is ________?

• maximum

• minimum

• zero

• variable

Which of the following is an example of a resistive transducer?

• thermocouple

• strain gauge

• photoresistor

• piezoelectric sensor

What type of signal do inductive transducers primarily generate?

• electrical signals

• mechanical signals

• thermal signals

• optical signals

Which of the following is a characteristic of a digital transducer?

• Continuous output

• Discrete output

• Analog output

• Variable output