Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be (l-s)Ns Ns s.N. (Ns-l)s (l-s)Ns Ns s.N. (Ns-l)s ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Leakage reactance Copper losses Iron losses Winding resistance Leakage reactance Copper losses Iron losses Winding resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine copper loss magnetising current and loss core loss efficiency magnetising current copper loss magnetising current and loss core loss efficiency magnetising current ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its temperature rise voltage ratio copper loss dielectric strength of oil temperature rise voltage ratio copper loss dielectric strength of oil ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a fitting on a transformer? Buchholz's relay Conservator Breather Commutator Buchholz's relay Conservator Breather Commutator ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of colling a power transformer is Oil cooling Natural air cooling Air blast cooling Any of the listed here Oil cooling Natural air cooling Air blast cooling Any of the listed here ANSWER DOWNLOAD EXAMIANS APP