Mechanical Measurement and Metrology (3141901) MCQs

MCQs of Measurement Systems and Basic Concepts of Measurement Methods

Showing 11 to 20 out of 46 Questions
1 2 3 4 5
11.
Function of transducer is to convert
(a) electrical signal into non electrical quantity
(b) non electrical quantity into electrical signal
(c) electrical signal into mechanical quantity
(d) all of these
Answer:

Option (b)

12.
LVDT is a
(a) capacitive transducer
(b) resistive transducer
(c) inductive transducer
(d) none of them
Answer:

Option (c)

13.
The size of air-cored transducers in comparison to their iron-cored counter parts is
(a) small
(b) bigger
(c) same
(d) unpredicatable
Answer:

Option (b)

14.
LVDT winding ate wound on
(a) steel sheets (laminated)
(b) aluminium
(c) ferrite
(d) copper
Answer:

Option (c)

15.
Pizo-electric crystals produce an e.m.f.
(a) when external mechanical force is applied
(b) when external magnetic field is applied
(c) when radiant energy stimulates the crystal
(d) when the junction of two such crystals is heated
Answer:

Option (a)

16.
Piezo-electric crystals are used for the measurement of
(a) temperature
(b) velocity
(c) sound
(d) none of the above
Answer:

Option (a)

17.
Capacitive transducers operate upon the principle (s) of
(a) variation of over-lapping area of plates
(b) variation of separation of plates
(c) variation of relative permittivity of dielectric material between two plates
(d) all of the above
Answer:

Option (d)

18.
Capacitive transducers are normally employed for_____________ measurements.
(a) static
(b) dynamic
(c) both static and dYnamic
(d) transient
Answer:

Option (c)

19.
Thermocouples are .............. transducers
(a) active
(b) passive
(c) adhesive
(d) both (a) and (c)
Answer:

Option (a)

20.
A transducer is basically a device which converts
(a) mechanical energy into electrical
(b) energy or information from one form to another
(c) mechanical displacement into electrical
(d) none of these
Answer:

Option (b)

Showing 11 to 20 out of 46 Questions
1 2 3 4 5