Electrical Measurement and Measuring Instruments (3160915) MCQs

MCQs of Transducers and Sensors

Showing 21 to 30 out of 85 Questions
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21.

The transducer output is __________

(a)

exponential
(b)

unit step
(c)

non-linear
(d)

linear
Answer:

Option (d)

22.

 Selection of a transducer depends on the quantity being measured.

(a)

True
(b)

False
Answer:

Option (a)

23.

Transducers must operate under ___________

(a)

zero electromagnetic field
(b)

constant electromagnetic fields
(c)

varying electromagnetic fields
(d)

infinite electromagnetic field
Answer:

Option (c)

24.

Errors can be minimised in some transducers through ___________

(a)

power compensation
(b)

voltage compensation
(c)

resistance compensation
(d)

temperature compensation
Answer:

Option (d)

25.

How many passive transducers are there?

(a)

1
(b)

3
(c)

5
(d)

7
Answer:

Option (b)

26.

Rotational potentiometers use ___________

(a)

capacitance
(b)

self inductance
(c)

mutual inductance
(d)

resistance
Answer:

Option (d)

27.

Temperature transducers make use of ___________

(a)

change in resistivity
(b)

change in length
(c)

change in area
(d)

change in capacitance
Answer:

Option (a)

28.

Potentiometric resistance transducer measures __________

(a)

linear displacement
(b)

rectangular displacement
(c)

square displacement
(d)

triangular displacement
Answer:

Option (a)

29.

Resistance transducer has _________

(a)

medium efficiency
(b)

low efficiency
(c)

high efficiency
(d)

zero efficiency
Answer:

Option (c)

30.

Resistance potentiometers convert mechanical displacement into _________

(a)

 electrical signal
(b)

chemical signal
(c)

physical output
(d)

kinetic energy
Answer:

Option (a)

Showing 21 to 30 out of 85 Questions
1 2 3 4 5 6