Transformers The primary winding of a power transformer should always be fused switched open shorted fused switched open shorted ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Hum Zoom Boo Magnetostriction Hum Zoom Boo Magnetostriction ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 75% 85% 65% 95 % 75% 85% 65% 95 % ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine magnetising current and loss copper loss magnetising current efficiency of the transformer magnetising current and loss copper loss magnetising current efficiency of the transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Conservator Breather Thermal overload relays Horn gaps Conservator Breather Thermal overload relays Horn gaps ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 50% 65% 95% 80% 50% 65% 95% 80% ANSWER DOWNLOAD EXAMIANS APP