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Measurement and Instrumentation

Measurement and Instrumentation
To measure high frequency currents, we mostly use ______ ammeter.

Dynamometer
Hot wire
Moving iron
Thermocouple

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Measurement and Instrumentation
Piezoelectronic accelerometer

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

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

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

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Measurement and Instrumentation
The moving coil-meters, damping is provided by

 eddy current disk.
 the coil spring attached to the moving.
 damping vane in the airtight chamber.
 the aluminium frame of the coil.

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Measurement and Instrumentation
Which of the quantity consists of unit as Pascal ?

 Force
 Temperature
 Pressure
 Impulse

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Measurement and Instrumentation
The errors introduced by an instrument fall in which category ?

 Gross errors
 Random errors
 Systematic errors
 Environmental errors

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MORE MCQ ON Measurement and Instrumentation

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