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Measurement and Instrumentation

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

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

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Measurement and Instrumentation
Null type recorders are

 any one of the above.
 LVDT recorders.
 bridge recorders.
 potentiometric recorders.

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Measurement and Instrumentation
Resistance of a VARISTOR varies with

 Temperature
 Current
 Both Voltage and Temperature
 Voltage

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Measurement and Instrumentation
Induction wattmeter can measure

Ac power only
None of the listed here
Dc power only
Both AC and DC

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Measurement and Instrumentation
Which of the following are integrating instruments?

Wattmeters
Ampere hour and watt hour meters
Voltmeters
Ammeters

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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.
 20√3.
  10√3.
 10.

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MORE MCQ ON Measurement and Instrumentation

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