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Measurement and Instrumentation

Measurement and Instrumentation
Resistances can be measured with the help of

Wattmeters
Voltmeters
Ohmmeters and resistance bridges
Ammeters

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

Bearing
Suppressing noise
Damping
Torque control

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Measurement and Instrumentation
The internal resistance of an ammeter should be

Infinity
Very small
Medium
High

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Measurement and Instrumentation
The error of an instrument is normally given as a percentage of

Mean value
Measured value
Full-scale value
Rms value

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Measurement and Instrumentation
An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read

 10.
 20.
 20√3.
  10√3.

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Measurement and Instrumentation
Null type recorders are

 potentiometric recorders.
 any one of the above.
 LVDT recorders.
 bridge recorders.

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MORE MCQ ON Measurement and Instrumentation

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