Transformers Natural air cooling is generally restricted for transformers up to 15 MVA 5 MVA 1.5 MVA 50 MVA 15 MVA 5 MVA 1.5 MVA 50 MVA ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformers to determine all-day efficiency None of these temperature stray losses all-day efficiency None of these temperature stray losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Harmonics in transformer result in increased I2R losses All of the listed here increased core losses magnetic interference with communication circuits increased I2R losses All of the listed here increased core losses magnetic interference with communication circuits ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. 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 The flux density in the core The supply frequency ANSWER DOWNLOAD EXAMIANS APP
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 The flux in the core of a single phase transformer is _____ Partly alternating and partly rotating None of the listed here Purely alternating one Purely rotating one Partly alternating and partly rotating None of the listed here Purely alternating one Purely rotating one ANSWER DOWNLOAD EXAMIANS APP