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Measurement and Instrumentation

Measurement and Instrumentation
Commonly used standard capacitor is

Spherical type
Multiplate parallel plate type
Electrostatic type
Concentric cylindrical type

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Measurement and Instrumentation
The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are

 inclined at 60o.
 parallel.
 inclined at 30o.
 perpendicular.

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Measurement and Instrumentation
Which one of the following units is a fundamental unit?

 Newton
 Watt
 Ampere
 Joule/sec

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Measurement and Instrumentation
When using ohmmeter, applied voltage is to be disconnected from the circuit because

Current will decrease resistance
None of these
Voltage source will increase resistance
The ohmmeter has its own internal battery

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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
 5.0 mm/Ω
 2.5 mm/Ω

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Measurement and Instrumentation
_______ is used to measure the flow of air around aeroplane.

 nucleus.
  Anemometer.
 Orifice.
 Venturimeter.

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MORE MCQ ON Measurement and Instrumentation

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