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Measurement and Instrumentation

Measurement and Instrumentation
The difference between the indicated value and the true value of a quantity is

 Dynamic error
 Relative error
 Gross error
 Absolute error

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Measurement and Instrumentation
The thermocouple instruments do not have

High sensitivity
Independence of ambient temperature
Absence of frequency error
High degree of measuring accuracy

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Measurement and Instrumentation
Schering bridge is used to measure which of the following?

 Resistance.
 Frequency.
  Capacitance.
 Inductance.

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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

 175.4o.
 94.6o.
 85.4o.
  4.6o.

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Measurement and Instrumentation
The controlling torque of an indicating instrument ______ as the deflection of the moving system increases.

Remains same
None of the listed here
Increases
Decreases

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Measurement and Instrumentation
A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is

90°
30°
120°
0°

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MORE MCQ ON Measurement and Instrumentation

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