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Measurement and Instrumentation

Measurement and Instrumentation
A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be

 5.78 A.
 4 A.
  4.47 A.
 2 A.

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Measurement and Instrumentation
Which of the following cannot be measured by multimeters?

Frequency
Resistance
Current
Voltage

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Measurement and Instrumentation
An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read

 20.
 10.
  10√3.
 20√3.

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Measurement and Instrumentation
The adjustment of position of shading bands, in an energy meter is done to provide

None of the listed here
Friction compensation
Creep compensation
Breaking torque

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

 Distribution transformer.
 PT.
 CT.
 Power transformer.

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Measurement and Instrumentation
Comparison methods are used

 because they are expensive.
 because they take least time in measurement.
 when a high accuracy of measurement is required.
 because they are most simple.

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