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Measurement and Instrumentation

Measurement and Instrumentation
What is the standard unit for length ?

 Meter
 Centimeter
 Kilometer
 Inch

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Measurement and Instrumentation
The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be

 0.2% less.
 0.4 more.
 0.4% less.
 0.2% more.

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

  Anemometer.
 nucleus.
 Venturimeter.
 Orifice.

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Measurement and Instrumentation
Magnetic deflection is inversely proportional to

 (Voltage)1.5.
 (Voltage)-0.5.
 Voltage.
 (Voltage)2.

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Measurement and Instrumentation
A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads

50V
100V
90V
111V

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Measurement and Instrumentation
In which of the transformer is the secondary nearly short circuited under normal operating condition?

 Power transformer.
 Distribution transformer.
 CT.
 PT.

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