Transformers Open circuit test on transformers is conducted to determine hysteresis losses eddy current losses copper losses core losses hysteresis losses eddy current losses copper losses core losses ANSWER DOWNLOAD EXAMIANS APP
Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be s.N. Ns (Ns-l)s (l-s)Ns s.N. Ns (Ns-l)s (l-s)Ns ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be switched shorted fused open switched shorted fused open ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of Can be any ratio 1:1 1:2 2:1 Can be any ratio 1:1 1:2 2:1 ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of 15 A more than 15 A less than 15 A None of these 15 A more than 15 A less than 15 A None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? Air cooled Oil cooled Water cooled None of the listed here Air cooled Oil cooled Water cooled None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS