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Measurement and Instrumentation

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

Rms value
Measured value
Full-scale value
Mean value

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Measurement and Instrumentation
The internal resistance of Weston standard cell is of order of

 100 ohm.
 10 ohm.
 1 ohm.
 1000 ohm.

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Measurement and Instrumentation
A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is

 94.6o.
 85.4o.
  4.6o.
 175.4o.

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

Shunt capacitance
Series resistance
A series inductance
A shunt resistance

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Measurement and Instrumentation
Commonly used standard capacitor is

Spherical type
Electrostatic type
Multiplate parallel plate type
Concentric cylindrical type

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Measurement and Instrumentation
Resistance of a VARISTOR varies with

 Temperature
 Current
 Both Voltage and Temperature
 Voltage

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MORE MCQ ON Measurement and Instrumentation

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