Transformers The open circuit test on a transformer is always made on ______ Either low or high voltage winding None of the listed here Low voltage winding High voltage winding Either low or high voltage winding None of the listed here Low voltage winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ None of the listed here Cause voltage drop in the windings Decreases copper losses Increase copper losses None of the listed here Cause voltage drop in the windings Decreases copper losses Increase copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Silicon steel Wood Copper Aluminium Silicon steel Wood Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Conservator Breather Buchholz relay Exciter Conservator Breather Buchholz relay Exciter ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to oil in the transformer magnetostriction load changes mechanical vibrations oil in the transformer magnetostriction load changes mechanical vibrations ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 1.5 MVA 50 MVA 5 MVA 15 MVA 1.5 MVA 50 MVA 5 MVA 15 MVA ANSWER DOWNLOAD EXAMIANS APP