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Measurement and Instrumentation

Measurement and Instrumentation
In induction type ammeter, _____ damping is provided.

Eaddy current
Fluid friction
None of the listed here
Air friction

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Measurement and Instrumentation
Kelvin’s double bridge is used to measure low resistance because

 resistance variation due to temperature.
 there is no thermo electric emf.
 effect of contact and lead resistance is eliminated.
 it has high sensitivity.

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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 %.
 3.33 %.
  2.66 %.
 1 %.

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Measurement and Instrumentation
An instrument to be used for measurement and control should preferably have

Linear output and fast response
Non-linear output
A highly damped response
Dead zone and dead time

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Measurement and Instrumentation
When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is

Faulty
Short-circuited
None of these
All right

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Measurement and Instrumentation
If an inductance is connected in one arm of the bridge and resistance is the remaining three arms

The bridge can be balanced if the resistance have some specific values
The bridge can always be balanced
The bridge cannot be balanced
None of the listed here

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