Transformers Distribution transformers are generally designed for maximum efficiency around 25% load 90% load Zero load 50% load 25% load 90% load Zero load 50% load ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? Overcurrent protection All of these Overfluxing protection Buchholz relay Overcurrent protection All of these Overfluxing protection Buchholz relay ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Conservator Breather Thermal overload relays Horn gaps Conservator Breather Thermal overload relays Horn gaps ANSWER DOWNLOAD EXAMIANS APP
Transformers Losses which occur in rotating electric machines and do not occur in trans formers are copper losses hysteresis and eddy current losses magnetic losses friction and windage losses copper losses hysteresis and eddy current losses magnetic losses friction and windage losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Impedance Current Power Voltage Impedance Current Power Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers In case of 3-phase induction motors, plugging means 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 pulling the motor directly on line without a starter locking of rotor due to harmonics interchanging two supply phases for quick stopping ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS