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Measurement and Instrumentation

Measurement and Instrumentation
What is the expression for momentum?

 mass × velocity
 change of velocity / time
 force × displacement
 mass × acceleration

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Measurement and Instrumentation
The resistance offered to the passage of an in-varying current by a column of mercury at the temperature of melting ice of mass 14.4521 gms of uniform cross-sectional area and length 106.3cm is

One ohm according to working standards
One international ohm
Standard ohm
One ohm according to SI units

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Measurement and Instrumentation
Resistance of a VARISTOR varies with

 Current
 Both Voltage and Temperature
 Temperature
 Voltage

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Measurement and Instrumentation
A 1 mA meter is to be converted to 1 A ammeter. The meter resistance is 100 Ω. The value of shunt resistance

 0.001 Ω.
 100 Ω.
 1000 Ω.
 0.1001 Ω.

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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

 0.01V
 0.05V
 0.01V
 0.25V

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Measurement and Instrumentation
The range of a moving iron ac ammeter is extended by

A multiplier
Changing number of turns of operating coil
None of the listed here
A shunt

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MORE MCQ ON Measurement and Instrumentation

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