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Measurement and Instrumentation

Measurement and Instrumentation
_______ is used to measure the flow of air around aeroplane.

 Orifice.
 Venturimeter.
  Anemometer.
 nucleus.

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Measurement and Instrumentation
In a moving coil instrument, the deflecting torque is proportional to

Squareroot of the current
Square of the current
Sine of the measurand
Current

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Measurement and Instrumentation
The difference between the measured value and the true value is called

 gross error
 relative error
 probable error
 absolute error

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Measurement and Instrumentation
A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V?

 2%
 1%
 5%
 3.33%

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Measurement and Instrumentation
Resistance of a VARISTOR varies with

 Voltage
 Temperature
 Current
 Both Voltage and Temperature

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Measurement and Instrumentation
An oscilloscope indicates

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

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MORE MCQ ON Measurement and Instrumentation

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