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Measurement and Instrumentation

Measurement and Instrumentation
The scale of hot wire ammeter is

 Linear.
  Non Linear.
 Absloute linear.
 Cramped.

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Measurement and Instrumentation
Resistance of a VARISTOR varies with

 Temperature
 Voltage
 Current
 Both Voltage and Temperature

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Measurement and Instrumentation
The electrical power to a megger is provided by

Any of the listed here
Permanent magnet dc generator
Battery
Ac generator

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Measurement and Instrumentation
A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ?

 ± 0.054
 ± 0.065
 ± 0.056
 ± 0.045

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Measurement and Instrumentation
A moving iron ammeter may be compensated for frequency errors by

Shunt capacitance
A shunt resistance
Series resistance
A series inductance

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

Air friction
None of the listed here
Fluid friction
Eaddy current

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MORE MCQ ON Measurement and Instrumentation

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