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Measurement and Instrumentation

Measurement and Instrumentation
The dynamometer principle can be used for

 voltmeter only.
 ammeter only.
 wattmeter only.
 ammeter, voltmeter and wattmeter.

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Measurement and Instrumentation
The use of thermocouple meters for AC measurement leads to scale which is

 linear.
 logarithmic.
 square law.
 expontial.

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Measurement and Instrumentation
A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec?

 63.25o.
 150o.
 30o.
 105.6o.

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Measurement and Instrumentation
A potentiometer may be used for

All of the listed here
Measurement of current
Measurrment of resistance
Calibration of ammeter

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Measurement and Instrumentation
Direct method is used to measure

Temperature
Length
Pressure
Voltage

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Measurement and Instrumentation
The two pressure coils of a single phase power factor meter have

The same number of turns but different dimensions
The same dimension but different number of turns
The same dimensions and the same number of turns
None of these

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MORE MCQ ON Measurement and Instrumentation

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