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Measurement and Instrumentation

Measurement and Instrumentation
The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is

 ± 4%
 ± 3%
 ± 2.8%
 ± 6%

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Measurement and Instrumentation
Which of the following meters has a linear scale?

Thermocouple meter
Moving coil meter
Moving iron meter
Hot wore meter

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Measurement and Instrumentation
The difference between the measured value and the true value is called

 relative error
 gross error
 probable error
 absolute error

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Measurement and Instrumentation
Piezoelectric effect is carried out in

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

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Measurement and Instrumentation
The watt hour meter is ______ instrument.

A recording
An indicating
A transfer
An integrating

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Measurement and Instrumentation
Two capacitance, C1 = 150 ± 2.4µF and C2 = 120 ± 1.5 µF are connected in parallel. What is the limiting error of the resultant capacitance C (in µF) ?

 1.5µF
 0.9µF
 3.9µF
 2.4µF

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