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Measurement and Instrumentation

Measurement and Instrumentation
The problem of Electrostatic coupling in a transformer is acute at

High load on the transformer
High frequencies
Low frequencies
Power frequencies

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Measurement and Instrumentation
For the AC bridge circuit shown in figure at balance the value of Rd will be

 (Rc/Ra).Rb.
 (Rc/Rb).Ra.
 (Rb/Rc).Ra.
 (Ra/Rc).Rb.

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Measurement and Instrumentation
Standardization of potentiometer is done in order that, they become

 precise.
 accurate and precise.
 accurate and direct reading.
 accurate.

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Measurement and Instrumentation
A galvanometer has

Eddy current damping
Spring coil damping
Fluid friction damping
Air friction damping

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Measurement and Instrumentation
For measurement on high voltage capacitors, the suitable bridge is

Any of the listed here
Schering bridge
Wein bridge
Modified De santy's bridge

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Measurement and Instrumentation
Which of following are needed both for protection and metering?

 Power factor meters.
 Instrument transformer.
 Wattmeters.
 Energy meter.

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MORE MCQ ON Measurement and Instrumentation

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