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Measurement and Instrumentation

Measurement and Instrumentation
A 10MHz CRO has

10MHz supply frequency
5MHz sweep
10MHz vertical oscillator
10MHz horizontal oscillator

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

 Orifice.
  Anemometer.
 nucleus.
 Venturimeter.

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Measurement and Instrumentation
Relative error is same as

 ratio of absolute error and true value.
 absolute error.
 true error.
None of these

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Measurement and Instrumentation
What is the standard unit for length ?

 Meter
 Centimeter
 Inch
 Kilometer

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Measurement and Instrumentation
Which instrument has identical calibration for ac as well as dc values?

Hot wire type
Moving coil type
Induction type
Moving iron type

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