Transformers The dielectric strength of transformer oil is expected to be 33 kV 330 kV 100 kV lkV 33 kV 330 kV 100 kV lkV ANSWER DOWNLOAD EXAMIANS APP
Transformers Losses which occur in rotating electric machines and do not occur in trans formers are copper losses magnetic losses friction and windage losses hysteresis and eddy current losses copper losses magnetic losses friction and windage losses hysteresis and eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Saving in winding material Eddy losses are totally eliminated Hysteresis losses are reduced Copper losses are negligible Saving in winding material Eddy losses are totally eliminated Hysteresis losses are reduced Copper losses are negligible ANSWER DOWNLOAD EXAMIANS APP
Transformers Primary winding of a transformer could either be a low voltage or high voltage winding is always a low voltage winding is always a high voltage winding None of these could either be a low voltage or high voltage winding is always a low voltage winding is always a high voltage winding None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is inductive or resistive inductive only None of these capacitive only inductive or resistive inductive only None of these capacitive only ANSWER DOWNLOAD EXAMIANS APP