Transformers Natural oil cooling is used for transformers upto a rating of 500 kVA 250 kVA 1000 kVA 3000 kVA 500 kVA 250 kVA 1000 kVA 3000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? Overfluxing protection Overcurrent protection All of these Buchholz relay Overfluxing protection Overcurrent protection All of these Buchholz relay ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its Current efficiency Power efficiency None of the listed here Energy efficiency Current efficiency Power efficiency None of the listed here Energy efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Air-cooled transformer Oil cooled transformer Welding transformer Auto transformer Air-cooled transformer Oil cooled transformer Welding transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to magnetostriction load changes mechanical vibrations oil in the transformer magnetostriction load changes mechanical vibrations oil in the transformer 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 Increase copper losses Decreases copper losses None of the listed here Cause voltage drop in the windings Increase copper losses Decreases copper losses ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS