Mechanical Measurement and Metrology (3141901) MCQs

MCQs of Measurement Systems and Basic Concepts of Measurement Methods

Showing 21 to 30 out of 46 Questions
1 2 3 4 5
21.
LVDT can be used for
(a) vibration measurement
(b) angular velocity measurement
(c) force measurement in beam
(d) load measurement on a column
Answer:

Option (c)

22.
The principle of operation of LVDT is based on variation of
(a) self inductance
(b) mutual inductance
(c) reluctance
(d) Permeance
Answer:

Option (b)

23.
An LVDT has an output in the form of
(a) linear displacement of core
(b) pulse
(c) rotary movement of core
(d) none of the above
Answer:

Option (a)

24.
Self generating transducers are _______________ transducers.
(a) active
(b) Passive
(c) second
(d) inverse
Answer:

Option (a)

25.
The transducer that converts the input signal into the output signal, which is a continuous function of time, is known as_________ transducer.
(a) active
(b) passive
(c) analog
(d) digital
Answer:

Option (c)

26.
Piezoelectric transducers are _________ transducers.
(a) active
(b) passive
(c) inverse
(d) both (a) and (c)
Answer:

Option (d)

27.
Piezoelectric transducers work when we apply to it
(a) heat
(b) mechanical force
(c) vibrations
(d) illumination
Answer:

Option (b)

28.
Seismic transducer is used for measurement of
(a) linear velocity
(b) angular velocity
(c) acceleration
(d) pressure
Answer:

Option (c)

29.
The accelerometer using LVDT has the advantage of
(a) high natural frequency
(b) being contact less device
(c) better resolution
(d) all of these
Answer:

Option (d)

30.
Which of the following additional devices is required for measuring pressure with an LVDT?
(a) Bellows
(b) Bourdon tubes
(c) Bolometer
(d) either (a) or (b)
Answer:

Option (d)

Showing 21 to 30 out of 46 Questions
1 2 3 4 5