Transformers In case of 3-phase induction motors, plugging means pulling the motor directly on line without a starter interchanging two supply phases for quick stopping starting the motor on load which is more than the rated load locking of rotor due to harmonics pulling the motor directly on line without a starter interchanging two supply phases for quick stopping starting the motor on load which is more than the rated load locking of rotor due to harmonics ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. The flux density in the core The supply frequency Thickness of core lamination Square of thickness of core lamination The flux density in the core The supply frequency Thickness of core lamination Square of thickness of core lamination ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test of a transformer helps us to find its Iron loss Cu loss at no load Full load cu loss None of the listed here Iron loss Cu loss at no load Full load cu loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is increased, the eddy current _____ Is increased Remains unchanged Is decreased None of the listed here Is increased Remains unchanged Is decreased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine hysteresis losses eddy current losses core losses copper losses hysteresis losses eddy current losses core losses copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage? 180 V 18 V 20 V 2 V 180 V 18 V 20 V 2 V ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS