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Measurement and Instrumentation

Measurement and Instrumentation
The form factor in AC is the ratio of

Peak value to average value
Peak value to rms value
Rms value to peak value
Rms value to average value

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Measurement and Instrumentation
The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A.

 4
 5
 2
 1

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Measurement and Instrumentation
To measure ac as well as dc power, we use

Sometimes induction and sometimes dynamometer wattmeter
Dynamometer wattmeter
Induction wattmeter
None of the listed here

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Measurement and Instrumentation
Following is a 16-bit register for 8085 microprocessor

 Register C
 Accumulator
 Stack pointer
 Register B

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Measurement and Instrumentation
Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are

One of the meters out of the range and other 100V
300V each
400V and 200V
360V and 240V

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Measurement and Instrumentation
The adjustment of position of shading bands, in an energy meter is done to provide

Friction compensation
None of the listed here
Creep compensation
Breaking torque

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MORE MCQ ON Measurement and Instrumentation

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