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Measurement and Instrumentation

Measurement and Instrumentation
Which of the following is a variable displacement transducer?

 tachometer
 synchros
None of these
 potentiometer

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Measurement and Instrumentation
With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be

50Hz
100Hz
500Hz
1kHz

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Measurement and Instrumentation
A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as

 3750 rev/KWh.
 3600 rev/KWh.
 1000 rev/KWh.
 960 rev/KWh.

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Measurement and Instrumentation
An electric pyrometer is an instrument used to measure

Frequency
High temperatures
Phase
None of the listed here

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

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

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Measurement and Instrumentation
The main advantage of Anderson bridge over Maxwell bridge is that

 attaining balance condition is easier.
  reduction of the cost.
 balance equation independent of frequency.
 measures high Q inductors.

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MORE MCQ ON Measurement and Instrumentation

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