Transformers By laminating the core of a transformer, we decrease _____ Leakage reactance Hysteresis loss Copper loss Eddy current loss Leakage reactance Hysteresis loss Copper loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. Equal to Higher than None of the listed here Less than Equal to Higher than None of the listed here Less than ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Copper losses Iron losses Total losses Friction losses Copper losses Iron losses Total losses Friction losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? All of these Overfluxing protection Overcurrent protection Buchholz relay All of these Overfluxing protection Overcurrent protection Buchholz relay ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Auto transformer Step-up transformer Potential transformer Current transformer Auto transformer Step-up transformer Potential transformer Current transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Auto transformer Current transformer Potential transformer Power transformer Auto transformer Current transformer Potential transformer Power transformer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS