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Measurement and Instrumentation

Measurement and Instrumentation
Ryall crest voltmeter is used for measurement of

High DC voltage
AC voltage of any form
High AC voltage
Low frequency voltage

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Measurement and Instrumentation
The difference between the measured value and the true value is called

 gross error
 probable error
 absolute error
 relative error

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Measurement and Instrumentation
A power factor meter has

None of the listed here
Two current circuit and one pressure circuit
One current circuit and one pressure circuit
One current circuit and two pressure circuits

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Measurement and Instrumentation
Kelvin’s double bridge is used to measure low resistance because

 effect of contact and lead resistance is eliminated.
 it has high sensitivity.
 there is no thermo electric emf.
 resistance variation due to temperature.

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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
A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be

 100 mA.
 1mA.
 10 mA.
 0.5 mA.

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MORE MCQ ON Measurement and Instrumentation

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