Electrical Measurement and Measuring Instruments (3160915) MCQs

MCQs of Transducers and Sensors

Showing 41 to 50 out of 85 Questions
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41.

In a foil strain gauge, strain is detected through _______

(a)

a capacitance element
(b)

a resistance wire
(c)

a gold foil
(d)

a metal foil
Answer:

Option (d)

42.

 Strain gauges are used for _______

(a)

small scale measurements
(b)

dynamic measurements
(c)

static measurements
(d)

large scale measurements
Answer:

Option (b)

43.

Strain gauge has a _______

(a)

low temperature coefficient of resistance
(b)

high temperature coefficient of resistance
(c)

zero temperature coefficient of resistance
(d)

infinite temperature coefficient of resistance
Answer:

Option (a)

44.

Strain gauge works on the principle of _______

(a)

piezo-electric effect
(b)

barkhausen criterion
(c)

piezo- resistive effect
(d)

feedback element effect
Answer:

Option (c)

45.

Strain gauge measurement involves __________

(a)

Wheatstone bridge
(b)

Kelvin bridge
(c)

De Sauty’s bridge
(d)

Anderson bridge
Answer:

Option (a)

46.

Load cell is used for the measurement of _______

(a)

area
(b)

force
(c)

mass
(d)

length
Answer:

Option (b)

47.

Strain is a _______

(a)

fractional change in volume
(b)

fractional change in area
(c)

fractional change in length
(d)

fractional change in height
Answer:

Option (c)

48.

Load cells are calibrated such that _______

(a)

force varies inversely with resistance
(b)

force varies as the square of resistance
(c)

force remains constant with resistance
(d)

force varies directly with resistance
Answer:

Option (d)

49.

Resistance temperature detector is ___________

(a)

a electrical transducer
(b)

a mechanical transducer
(c)

a chemical transducer
(d)

a physical transducer
Answer:

Option (a)

50.

Resistance thermometer provides the change in electrical resistance.

(a)

True
(b)

False
Answer:

Option (a)

Showing 41 to 50 out of 85 Questions
2 3 4 5 6 7