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Measurement and Instrumentation

Measurement and Instrumentation
In which of the transformer is the secondary nearly short circuited under normal operating condition?

 Distribution transformer.
 Power transformer.
 CT.
 PT.

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Measurement and Instrumentation
Deflection method direct measurements are most widely used as these are

 most simple.
 least time consuming.
 most simple and least time consuming.
 most accurate.

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Measurement and Instrumentation
The electrical power to a megger is provided by

Permanent magnet dc generator
Ac generator
Any of the listed here
Battery

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Measurement and Instrumentation
To measure the flux, devices used are based on

Hall effect
Photo-voltaic effect
Voltaic effect
Piezo-electric effect

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Measurement and Instrumentation
Most sensitive galvanometer is

Spot ballastic galvanometer
Duddle galvanometer
Vibration galvanometer
Elastic galvanometer

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Measurement and Instrumentation
An instrument to be used for measurement and control should preferably have

Non-linear output
Dead zone and dead time
A highly damped response
Linear output and fast response

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MORE MCQ ON Measurement and Instrumentation

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