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Measurement and Instrumentation

Measurement and Instrumentation
A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be

 5.78 A.
 2 A.
  4.47 A.
 4 A.

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Measurement and Instrumentation
Which of the quantity consists of unit as kg m/sec ?

 Acceleration
 Impulse
 Speed
 Momentum

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Measurement and Instrumentation
The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A.

 5
 2
 4
 1

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Measurement and Instrumentation
An ammeter of range 0-25 A has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A. The limiting error in the reading is

 6%
 3%
 5%
 4%

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Measurement and Instrumentation
A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt.

Ballastic galvanometer
Voltmeter
Flux meter
Ammeter

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Measurement and Instrumentation
The material of the shunt should have _______ temperature co-efficient of resistance.

Positive
None of the listed here
Negligible
Negative

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MORE MCQ ON Measurement and Instrumentation

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