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Measurement and Instrumentation

Measurement and Instrumentation
The thermocouple instrument will measure

Current
Voltage
Flux
None of these

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Measurement and Instrumentation
Purely mechanical instrument cannot be used for dynamic measurements because they have

 higher response time.
 large time constant.
 high inertia.
All of these

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Measurement and Instrumentation
Dynamic errors are caused by

 human error
 instrument not responding fast
 environmental error
 observational error

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Measurement and Instrumentation
Which of the following meter is most suitable for measuring radio frequency currents?

 VTVM.
 Moving - coil meter.
 Moving - iron meter.
  Thermocouple meter.

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Measurement and Instrumentation
Piezoelectronic accelerometer

 Should be used for high frequencies above 100 Hz.
 Has a low natural frequency.
 Should use a monitoring source at low input impedance.
 Should be used for low frequency.

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Measurement and Instrumentation
A galvanometer with a full scale current of 10 mA has a resistance of 1000 Ω. The multiplying power (the ratio of measured current to galvanometer current) of 100 Ω shunt with this galvanometer is

 11.
 100.
 110.
 10.

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MORE MCQ ON Measurement and Instrumentation

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