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Measurement and Instrumentation

Measurement and Instrumentation
Commonly used standard capacitor is

Concentric cylindrical type
Spherical type
Multiplate parallel plate type
Electrostatic type

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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
 5.0 mm/Ω
 2.5 mm/Ω
 0.8 mm/Ω

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Measurement and Instrumentation
The transfer instrument which is used for standardization of a polar type AC potentiometer is

 an electrostatic instrument.
 a moving coil instrument.
 a thermal instrument.
 a dynamometer instrument.

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Measurement and Instrumentation
With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be

100Hz
1kHz
500Hz
50Hz

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Measurement and Instrumentation
A moving iron ammeter produces a full scale torque of 240 μNm with a deflection of 120° at a current of 10 A. The rate of change of self induction (μH/radian) of the instrument at full scale is

 2.0 μH/radian.
 114.6 μH/radian.
 12.0 μH/radian.
 4.8 μH/radian.

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Measurement and Instrumentation
Piezoelectric effect is carried out in

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

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MORE MCQ ON Measurement and Instrumentation

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