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Measurement and Instrumentation

Measurement and Instrumentation
Jewels are used in instruments for the purpose of

Damping
Torque control
Bearing
Suppressing noise

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Measurement and Instrumentation
In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is

 400∠-90° ohm.
 150∠30° ohm.
 300∠90° ohm.
 600∠-150° ohm.

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Measurement and Instrumentation
To increase Q factor of a coil, the wire should be

 thin.
 long and thin.
 long.
 thick.

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Measurement and Instrumentation
A 0 - 100 V voltmeter has a guaranteed accuracy of 2 % of full scale reading. The voltage measured by the voltmeter is 75 V. The limiting error is in percentage

  2.66 %.
 3.33 %.
 2 %.
 1 %.

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Measurement and Instrumentation
Deflection method direct measurements are most widely used as these are

 most simple.
 most accurate.
 least time consuming.
 most simple and least time consuming.

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Measurement and Instrumentation
What are the SI units of mass, length and time respectively?

 kg, m and s.
 kg, cm and s.
 g, m and s.
 g, cm and s.

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MORE MCQ ON Measurement and Instrumentation

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