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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.
 PT.
 CT.

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Measurement and Instrumentation
The operating voltage of a megger is about

6 V
40 V
100 V
12 V

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Measurement and Instrumentation
For handling greater currents induction watt-meters are used in conjunction with

Current transformers
Potential transformers
Power transformers
Either of the above

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

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

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Measurement and Instrumentation
A current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading?

 4.06 A.
 2.03 A.
 5 A.
 6.09 A.

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Measurement and Instrumentation
To measure ac as well as dc power, we use

Sometimes induction and sometimes dynamometer wattmeter
Dynamometer wattmeter
Induction wattmeter
None of the listed here

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MORE MCQ ON Measurement and Instrumentation

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