Electrical Measurement and Measuring Instruments (3160915) MCQs

MCQs of Transducers and Sensors

Showing 1 to 10 out of 85 Questions
1.

Which of the following is a variable displacement transducer?

(a)

tachometer

(b)

potentiometer

(c)

synchros

(d)

none of the above

Answer:

Option (b)

2.

 The deflection of hot-wire instrument depends on

(a)

 Instantaneous value of alternating current

(b)

Average value of current

(c)

 RMS value of the alternating current

(d)

 Voltage

Answer:

Option (c)

3.

How many types of transducers are there?

(a)

2

(b)

4

(c)

6

(d)

8

Answer:

Option (a)

4.

Mechanical transducers sense __________

(a)

electrical changes

(b)

physical changes

(c)

chemical changes

(d)

biological changes

Answer:

Option (b)

5.

Mechanical transducers generate ________

(a)

electrical signals

(b)

chemical signals

(c)

physical signals

(d)

biological signals

Answer:

Option (c)

6.

Electrical transducers generate ________

(a)

biological signals

(b)

chemical signals

(c)

physical signals

(d)

electrical signals

Answer:

Option (d)

7.

Electrical signals are easy to amplify.

(a)

True

(b)

False

Answer:

Option (a)

8.

The power needs of electrical transducers is ________

(a)

maximum

(b)

minimum

(c)

zero

(d)

infinite

Answer:

Option (b)

9.

Electrical transducers are ________

(a)

small and non-portable

(b)

large and non-portable

(c)

small and compact

(d)

 large and portable

Answer:

Option (c)

10.

Active transducers develops ______________

(a)

mechanical parameter

(b)

electrical parameter

(c)

chemical parameter

(d)

physical parameter

Answer:

Option (b)

Showing 1 to 10 out of 85 Questions