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Measurement and Instrumentation

Measurement and Instrumentation
What is the expression for momentum?

 force × displacement
 mass × velocity
 change of velocity / time
 mass × acceleration

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Measurement and Instrumentation
In eddy current damping, disc or former is made of a material that is a

Non conductor and non magnetic
Conductor but non magnetic
Non conductor but magnetic
Conductor but magnetic

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Measurement and Instrumentation
Most sensitive galvanometer is

Spot ballastic galvanometer
Duddle galvanometer
Vibration galvanometer
Elastic galvanometer

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Measurement and Instrumentation
A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is

0.023mA
0.1mA
0.007mA
0.05mA

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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
 4
 2
 1

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Measurement and Instrumentation
Which of the following cannot be measured by multimeters?

Resistance
Frequency
Voltage
Current

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MORE MCQ ON Measurement and Instrumentation

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