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Measurement and Instrumentation

Measurement and Instrumentation
What is the expression for momentum?

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

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Measurement and Instrumentation
Induction type single phase energy meters measure electric energy in

kW
Wh
VAR
kWh

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Measurement and Instrumentation
The quantity 1/√(∈0 × μ0) in SI units has the

 dimension LT-1.
 both ‘a’ and ‘b’.
 speed of light.
 none of these.

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Measurement and Instrumentation
Which of the following meter is most suitable for measuring radio frequency currents?

 Moving - coil meter.
 Moving - iron meter.
 VTVM.
  Thermocouple meter.

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Measurement and Instrumentation
Piezoelectric effect is carried out in

  crystal filter.
  constant k prototype.
  composite filter.
  m derived.

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Measurement and Instrumentation
A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power?

 32.56 W .
None of these
 28.12 W.
 25.45 W.

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MORE MCQ ON Measurement and Instrumentation

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