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Measurement and Instrumentation

Measurement and Instrumentation
A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is

 0.05V
 0.01V
 0.01V
 0.25V

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Measurement and Instrumentation
The spring material used in a spring control device should have the following property.

All of the listed here
Most be of low temperature co-efficient
Should non magnetic
Should have low specific resistance

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Measurement and Instrumentation
A voltmeter has 100 scale divisions and can measure up to 100 V. Each division can be read to ½ division. The resolution of the voltmeter is

 2 V
 1 V
 1.5 V
 0.5 V

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Measurement and Instrumentation
For a circuit given that I = 2 ± 5 % A, R = 100 ± 0.2 % Ω the limiting error in the power dissipation I2 R in the resistor R is

 25.2%
 10.2%
 5.2%
 1.2%

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

 Orifice.
 nucleus.
 Venturimeter.
  Anemometer.

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Measurement and Instrumentation
The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is

2 kWh
4 kWh
1 kWh
3 kWh

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