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Measurement and Instrumentation

Measurement and Instrumentation
Resistances can be measured with the help of

Wattmeters
Ammeters
Ohmmeters and resistance bridges
Voltmeters

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

 Impulse
 Momentum
 Acceleration
 Speed

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Measurement and Instrumentation
______ instruments are most sensitive.

Dynamometer
Hot wire
Permanent magnet moving coil
Moving iron

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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 A.
  4.47 A.

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Measurement and Instrumentation
Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is

 0.6 lag.
 0.917 lag.
 0.6 lead.
 0.917 lead.

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Measurement and Instrumentation
In a portable instrument , the controlling torque is provided by

Eddy currents
Gravity
Spring
All of the listed here

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MORE MCQ ON Measurement and Instrumentation

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