Mechanical Measurement and Metrology (3141901) MCQs

MCQs of Measurement Systems and Basic Concepts of Measurement Methods

Showing 31 to 40 out of 46 Questions
1 2 3 4 5
31.
The transducers used for measurement of linear displacements are
(a) strain gauges and resistive potentiometers
(b) LVDTs, capacitive transducers and Hall effect transducers
(c) thermocouples, thermistors and RTDs
(d) both (a) and (b)
Answer:

Option (d)

32.
CRO stands for __________
(a) cathode Ray Oscilloscope
(b) current Resistance Oscillator
(c) central Resistance Oscillator
(d) capacitance Resistance Oscilloscope
Answer:

Option (a)

33.
C.R.O gives __________
(a) actual representation
(b) visual representation
(c) approximate representation
(d) incorrect representation
Answer:

Option (b)

34.
Oscilloscope is __________
(a) a ohmmeter
(b) an ammeter
(c) a voltmeter
(d) a multimeter
Answer:

Option (c)

35.
CRO is a __________
(a) fast x-y plotter
(b) slow x-y plotter
(c) medium x-y plotter
(d) not a plotter
Answer:

Option (a)

36.
Typically oscilloscope represents __________
(a) current and time
(b) resistance and time
(c) voltage and time
(d) power and time
Answer:

Option (c)

37.
A device which converts electrical energy in the form of a current into optical energy is called as
(a) optical source
(b) optical coupler
(c) optical isolator
(d) circulator
Answer:

Option (a)

38.
Laser interferometers can be used for measurement of
(a) small diameter
(b) large displacement
(c) surface parallelism
(d) (a) and (b)
Answer:

Option (d)

39.
Interferometers are used for
(a) measuring flatness
(b) determining the length of slip gauge
(c) (a) and (b)
(d) none of these
Answer:

Option (c)

40.
Working principle of inferometer
(a) reflection of light
(b) refraction of light
(c) polerisation of light
(d) interference of light
Answer:

Option (d)

Showing 31 to 40 out of 46 Questions
1 2 3 4 5