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