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Measurement and Instrumentation

Measurement and Instrumentation
Which one of the following units is a fundamental unit?

 Ampere
 Watt
 Newton
 Joule/sec

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Measurement and Instrumentation
The scale of hot wire ammeter is

 Absloute linear.
 Cramped.
 Linear.
  Non Linear.

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Measurement and Instrumentation
When checked with an ohm meter an open resistor reads

  low but not zero.
  infinite.
  high but within tolerance.
  zero.

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Measurement and Instrumentation
The adjustment of position of shading bands, in an energy meter is done to provide

Creep compensation
Breaking torque
None of the listed here
Friction compensation

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Measurement and Instrumentation
The pressure coil of a wattmeter should be connected on the supply side of the current coil when

Supply voltage is low
None of these
Load impedance is low
Load impedance is high

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Measurement and Instrumentation
A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is

 0.01V
 0.25V
 0.01V
 0.05V

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