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Units, Devices, Dimensions and Measurements mcq questions and answers for competitive exams

Ramya_naidu

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Units, Devices, Dimensions and Measurements mcq questions and answers for competitive exams UPSC SSC , SSC CGL, SSC CHSL, upsc Civils , Entrance exams Online test practice online free Quiz, mock practice online
106.
Which instrument is used to measure the pitch of a sound?

a
Telemeter
b
Tonometer
c
Thermostat
d
Transponder
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107.
The unit of noise pollution (level) is -

a
ppm
b
decibel
c
decimal
d
None of these
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108.
Which instrument is used to measure curvature of spherical objects?

a
Sextant
b
Spherometer
c
Spectroscope
d
Spectrometer
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109.
Which instrument is used to measure depth of ocean?

a
Fluxmeter
b
Endoscope
c
Fathometer
d
Galvanometer
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110.
Which instrument is used to record changes in heartbeat, blood-pressure and respiration

a
Periscope
b
Polygraph
c
Pykometer
d
Photometer
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111.
A device used for converting A. C. into D.-

a
Dynamo
b
Rectifier
c
Transformer
d
Induction coil
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112.
'Farad' is the unit of

a
Resistance
b
Inductance
c
Capacitance
d
Conductance
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