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Measurement and Instrumentation

Measurement and Instrumentation
What is the standard unit for length ?

 Kilometer
 Centimeter
 Meter
 Inch

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Measurement and Instrumentation
For the AC bridge circuit shown in figure at balance the value of Rd will be

 (Rc/Rb).Ra.
 (Rc/Ra).Rb.
 (Rb/Rc).Ra.
 (Ra/Rc).Rb.

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Measurement and Instrumentation
Purely mechanical instrument cannot be used for dynamic measurements because they have

 higher response time.
 large time constant.
 high inertia.
All of these

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Measurement and Instrumentation
A null type instrument as compared to a deflected type instrument has

 a higher accuracy.
 a faster response.
All of these
 a lower sensitivity.

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Measurement and Instrumentation
The best type of meter moment is ______ moment.

D'Arsonval
None of the listed here
Dynamometer
Iron- vane

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Measurement and Instrumentation
A sinusoidal signal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 v/cm, then rms value of the voltage will be

 11.1 V.
 15 V.
 12.6 V.
  10.6 V.

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