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Measurement and Instrumentation

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

Deflecting
Controlling
None of the listed here
Damping

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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

 1 %.
 2 %.
 3.33 %.
  2.66 %.

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Measurement and Instrumentation
A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is

 0.0024 Ohm.
 120 Ohm.
 240 Ohm.
 0.0012 Ohm.

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Measurement and Instrumentation
Most accurate measurement of unknown resistance will be by

Voltmeter and ammeter
Wheatstone bridge
Ohmmeter
Potentiometer

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Measurement and Instrumentation
A dynamometer wattmeter can be used for

Any of the listed here
Both DC and AC
DC only
AC only

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Measurement and Instrumentation
To the y input of a CRO a signal defined by 10sin100t is applied. To the x input the signal 10cos100t is fed. The gain for both x-channel and y-channel is the same. The screen shows

  a circle.
 a straight line.
 an ellipse.
 sinisoidal.

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MORE MCQ ON Measurement and Instrumentation

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