Measurement and Instrumentation The watt hour meter is ______ instrument. An integrating An indicating A transfer A recording An integrating An indicating A transfer A recording ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken From the same source as the unknown voltage From a battery Any of the above From a source which is not the same as the unknown voltage From the same source as the unknown voltage From a battery Any of the above From a source which is not the same as the unknown voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The power factor of a single phase load can be calculated if the instruments available are One voltmeter and one ammeter One voltmeter, one ammeter and one wattmeter Any of the listed here One ammeter, one voltmeter and one energy meter One voltmeter and one ammeter One voltmeter, one ammeter and one wattmeter Any of the listed here One ammeter, one voltmeter and one energy meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is 0.023mA 0.1mA 0.05mA 0.007mA 0.023mA 0.1mA 0.05mA 0.007mA ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The repeat accuracy of an instrument can be judged from its Dynamic error Static error Linearity error Standard deviation of error Dynamic error Static error Linearity error Standard deviation of error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to None of these Both A and B Electromagnetic coupling Electrostatic coupling None of these Both A and B Electromagnetic coupling Electrostatic coupling ANSWER DOWNLOAD EXAMIANS APP
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