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Measurement and Instrumentation

Measurement and Instrumentation
Jewels are used in instruments for the purpose of

Damping
Torque control
Bearing
Suppressing noise

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Measurement and Instrumentation
The scale of hot wire ammeter is

 Linear.
  Non Linear.
 Absloute linear.
 Cramped.

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Measurement and Instrumentation
In a wheatstone bridge, a change of 6 Ω in the unknown arm of bridge is required to produce a change in deflection of 2.4 mm of the galvanometer. The sensitivity is

 0.4 mm/Ω
 0.8 mm/Ω
 2.5 mm/Ω
 5.0 mm/Ω

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Measurement and Instrumentation
Which of following is a vector quantity?

 Magnetic potential.
 Magnetic field intensity.
 Flux density.
 Relative permeability.

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Measurement and Instrumentation
The ratio of change in output to the change in the input is called

 sensitivity
 resolution
 precision
 repeatability

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Measurement and Instrumentation
An instrument to be used for measurement and control should preferably have

Linear output and fast response
Non-linear output
Dead zone and dead time
A highly damped response

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MORE MCQ ON Measurement and Instrumentation

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