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Measurement and Instrumentation

Measurement and Instrumentation
An current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading?

 2 A.
 5 A.
  3 A.
 2+3√2 A.

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Measurement and Instrumentation
A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads

 2 V.
 0 V.
 5 V.
 (2 + √3/2)V.

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Measurement and Instrumentation
One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land?

1
0.84
0.73
0.65

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Measurement and Instrumentation
An oscilloscope indicates

Peak to peak value of voltage
DC value of voltage
Average value
RMS value

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Measurement and Instrumentation
In a portable instrument , the controlling torque is provided by

All of the listed here
Spring
Eddy currents
Gravity

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Measurement and Instrumentation
Resistance of a VARISTOR varies with

 Both Voltage and Temperature
 Voltage
 Current
 Temperature

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MORE MCQ ON Measurement and Instrumentation

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