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Measurement and Instrumentation

Measurement and Instrumentation
Piezoelectric effect is carried out in

  m derived.
  constant k prototype.
  crystal filter.
  composite filter.

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Measurement and Instrumentation
In a moving coil instrument, the deflecting torque is proportional to

Sine of the measurand
Squareroot of the current
Current
Square of the current

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Measurement and Instrumentation
The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when

 R1 = R2/2.
 R1 = R2.
 R1 = 2R2.
 R1 = 3R2.

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Measurement and Instrumentation
The error of an instrument is normally given as a percentage of

Rms value
Full-scale value
Measured value
Mean value

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Measurement and Instrumentation
A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is

 100 V.
 50 V.
 25 V.
 200 V.

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

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

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MORE MCQ ON Measurement and Instrumentation

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