Electrical Measurement and Measuring Instruments (3160915) MCQs

MCQs of Transducers and Sensors

Showing 1 to 10 out of 85 Questions
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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
1 2 3 4 5 6