Transformers Which of the following insulating materials can withstand the highest temperature safely? Glass fibre Asbestos Mica Cellulose Glass fibre Asbestos Mica Cellulose ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to magnetostriction load changes mechanical vibrations oil in the transformer magnetostriction load changes mechanical vibrations oil in the transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine copper losses hysteresis losses core losses eddy current losses copper losses hysteresis losses core losses eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The winding of the transformer with greater number of turns will be _____ Either high or low voltage winding None of the listed here High voltage winding Low voltage winding Either high or low voltage winding None of the listed here High voltage winding Low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The path of the magnetic flux in transformer should have high resistance low resistance low reactance high reluctance high resistance low resistance low reactance high reluctance ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Copper losses are negligible Eddy losses are totally eliminated Hysteresis losses are reduced Saving in winding material Copper losses are negligible Eddy losses are totally eliminated Hysteresis losses are reduced Saving in winding material ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS