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Measurement and Instrumentation

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

 Acceleration
 Speed
 Momentum
 Impulse

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Measurement and Instrumentation
A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is

 1 V.
 1.34 V.
 1.7 V.
 1.5 V.

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Measurement and Instrumentation
The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is

1 kWh
2 kWh
3 kWh
4 kWh

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Measurement and Instrumentation
The main advantage of Anderson bridge over Maxwell bridge is that

 measures high Q inductors.
 balance equation independent of frequency.
  reduction of the cost.
 attaining balance condition is easier.

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Measurement and Instrumentation
The problem of Electrostatic coupling in a transformer is acute at

High load on the transformer
Low frequencies
High frequencies
Power frequencies

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Measurement and Instrumentation
To increase Q factor of a coil, the wire should be

 thick.
 long.
 thin.
 long and thin.

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MORE MCQ ON Measurement and Instrumentation

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