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Measurement and Instrumentation

Measurement and Instrumentation
The problem of Electrostatic coupling in a transformer is acute at

Power frequencies
High load on the transformer
High frequencies
Low frequencies

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

 Stack pointer
 Accumulator
 Register B
 Register C

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Measurement and Instrumentation
A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error?

 4%
 2%
 5%
 3%

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Measurement and Instrumentation
What is the standard unit for length ?

 Kilometer
 Meter
 Inch
 Centimeter

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Measurement and Instrumentation
A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec?

 150o.
 30o.
 63.25o.
 105.6o.

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Measurement and Instrumentation
Commonly used instruments in power system measurement are

Induction
Moving coil or iron
Rectifier
Electrostatic

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MORE MCQ ON Measurement and Instrumentation

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