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Measurement and Instrumentation

Measurement and Instrumentation
For measuring a very high resistance we should use

None of the listed here
Wheat stone bridge
Megger
Kelvin's double bridge

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Measurement and Instrumentation
Some wire- wound resistors have bifilar winding. This type of winding is used to

Increase the thermal stability
Reduce the tolerance
Reduce the inductance of winding
Double the power rating of the resistor

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Measurement and Instrumentation
Induction type single phase energy meters measure electric energy in

Wh
kWh
kW
VAR

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Measurement and Instrumentation
Resolution of an instrument is

 the maximum quantity it can measure.
 the minimum quantity it can measure.
 ability to distinguish polarity.
 the maximum non linearity.

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Measurement and Instrumentation
Jewels are used in instruments for the purpose of

Damping
Bearing
Torque control
Suppressing noise

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Measurement and Instrumentation
The power factor of a single phase load can be calculated if the instruments available are

One ammeter, one voltmeter and one energy meter
One voltmeter, one ammeter and one wattmeter
One voltmeter and one ammeter
Any of the listed here

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MORE MCQ ON Measurement and Instrumentation

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