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Measurement and Instrumentation

Measurement and Instrumentation
The smallest change in measured variable to which instrument will respond is

 sensitivity.
  resolution.
 precision.
 accuracy.

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Measurement and Instrumentation
A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as

 1000 rev/KWh.
 3600 rev/KWh.
 3750 rev/KWh.
 960 rev/KWh.

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Measurement and Instrumentation
Which instrument has identical calibration for ac as well as dc values?

Hot wire type
Moving iron type
Moving coil type
Induction type

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Measurement and Instrumentation
The absolute measurement of resistance is done by

Ohm’s law method
Lorenz method
Rayleigh method
Bridge Method

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Measurement and Instrumentation
A 10MHz CRO has

10MHz vertical oscillator
5MHz sweep
10MHz horizontal oscillator
10MHz supply frequency

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Measurement and Instrumentation
A dynamometer wattmeter can be used for

AC only
Any of the listed here
DC only
Both DC and AC

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MORE MCQ ON Measurement and Instrumentation

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