Transformers Transformer having ratings less than 5kVA are generally ______ Water cooled None of the listed here Oil cooled Natural air cooled Water cooled None of the listed here Oil cooled Natural air cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine efficiency copper loss magnetising current and loss core loss magnetising current efficiency copper loss magnetising current and loss core loss magnetising current ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Current Power Voltage Impedance Current Power Voltage Impedance ANSWER DOWNLOAD EXAMIANS APP
Transformers The voltage transformation ratio of a transformer is equal to the ratio of secondary current to primary current secondary terminal voltage to primary applied voltage primary turns to secondary turns secondary induced e.m.f. to primary induced e.m.f. secondary current to primary current secondary terminal voltage to primary applied voltage primary turns to secondary turns secondary induced e.m.f. to primary induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary None of these through air by the flux through cooling coil None of these through air by the flux through cooling coil ANSWER DOWNLOAD EXAMIANS APP
Transformers In case of 3-phase induction motors, plugging means pulling the motor directly on line without a starter locking of rotor due to harmonics interchanging two supply phases for quick stopping starting the motor on load which is more than the rated load pulling the motor directly on line without a starter locking of rotor due to harmonics interchanging two supply phases for quick stopping starting the motor on load which is more than the rated load ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS