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Measurement and Instrumentation

Measurement and Instrumentation
The operating voltage of a megger is about

12 V
6 V
100 V
40 V

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Measurement and Instrumentation
A variable w is related to three other variables x, y and z as w = xy/z. The variables are measured with meters of accuracy ± 0.5% reading, ± 1% of full scale value and ± 1.5% reading. The actual readings of the three meters are 80, 20 and 50 with 100 being the full scale value for all three. The maximum uncertainty in the measurement of w will be

 ± 8%
 ± 7%
 ± 5%
 ± 6%

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Measurement and Instrumentation
A power factor meter has

One current circuit and one pressure circuit
Two current circuit and one pressure circuit
One current circuit and two pressure circuits
None of the listed here

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Measurement and Instrumentation
The high torque to weight ratio in an analog indicating instrument indicates

 none of these.
 low friction loss.
 high friction loss.
 nothing related to friction loss.

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Measurement and Instrumentation
A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be

  4.47 A.
 5.78 A.
 4 A.
 2 A.

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Measurement and Instrumentation
A ______ device prevents the oscillation of the moving statem and enables the latter to reach its final position quickly

Damping
Deflecting
None of the listed here
Controlling

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MORE MCQ ON Measurement and Instrumentation

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