Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Both A and B None of these Electrostatic coupling Electromagnetic coupling Both A and B None of these Electrostatic coupling Electromagnetic coupling ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In which of the transformer is the secondary nearly short circuited under normal operating condition? Distribution transformer. PT. Power transformer. CT. Distribution transformer. PT. Power transformer. CT. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter may be compensated for frequency errors by A series inductance Shunt capacitance Series resistance A shunt resistance A series inductance Shunt capacitance Series resistance A shunt resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wien bridge is useful for measuring Low frequency Very high frequency High frequency Medium frequency Low frequency Very high frequency High frequency Medium frequency 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, one ammeter and one wattmeter Any of the listed here One voltmeter and one ammeter One ammeter, one voltmeter and one energy meter One voltmeter, one ammeter and one wattmeter Any of the listed here One voltmeter and one ammeter One ammeter, one voltmeter and one energy meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because it has high sensitivity. resistance variation due to temperature. effect of contact and lead resistance is eliminated. there is no thermo electric emf. it has high sensitivity. resistance variation due to temperature. effect of contact and lead resistance is eliminated. there is no thermo electric emf. ANSWER DOWNLOAD EXAMIANS APP
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