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Measurement and Instrumentation

Measurement and Instrumentation
Which of the quantity consists of unit as newton-second?

 Impulse
 Speed
 Acceleration
 velocity

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Measurement and Instrumentation
The core flux in the CT of above question no.6, under the given operating conditions is

 1000 mWb.
 450 mWb.
 225 mWb.
 0.

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Measurement and Instrumentation
Dynamic errors are caused by

 observational error
 human error
 instrument not responding fast
 environmental error

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Measurement and Instrumentation
A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is

 2 Nm.
  200 Nm.
 1 Nm.
 100 Nm.

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Measurement and Instrumentation
The use of __________________ instruments is merely confined within laboratories as standardizing instrument.

  absolute.
 recording.
 indicating.
 integrating.

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Measurement and Instrumentation
A first order instrument is characterized by

 Static sensitivity and damping coefficient
 Static sensitivity and time constant
 Static sensitivity, damping coefficient and natural frequency of oscillations
 Time constant only

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