Transformers Natural oil cooling is used for transformers upto a rating of 3000 kVA 250 kVA 1000 kVA 500 kVA 3000 kVA 250 kVA 1000 kVA 500 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ Ampere turns and voltage per turns None of the listed here Resistance and leakage reactances Currents and induced voltages Ampere turns and voltage per turns None of the listed here Resistance and leakage reactances Currents and induced voltages ANSWER DOWNLOAD EXAMIANS APP
Transformers If a power transformer is operated at very high frequencies, then ______ Primary will draw large power Core losses will be excessive Primary reactance is too much increased None of the listed here Primary will draw large power Core losses will be excessive Primary reactance is too much increased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Copper loss Hysteresis loss Leakage reactance Eddy current loss Copper loss Hysteresis loss Leakage reactance Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Distribution transformers are generally designed for maximum efficiency around 50% load 90% load Zero load 25% load 50% load 90% load Zero load 25% load ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Air-cooled transformer Welding transformer Oil cooled transformer Auto transformer Air-cooled transformer Welding transformer Oil cooled transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS