Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be s.N. (l-s)Ns Ns (Ns-l)s s.N. (l-s)Ns Ns (Ns-l)s ANSWER DOWNLOAD EXAMIANS APP
Transformers In the short circuit test on a transformer, we generally short circuit ______ High voltage winding Low voltage winding None of the listed here Either low or high voltage winding High voltage winding Low voltage winding None of the listed here Either low or high voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of colling a power transformer is Natural air cooling Any of the listed here Oil cooling Air blast cooling Natural air cooling Any of the listed here Oil cooling Air blast cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer is smallest? 2kVA, 400 Hz 2kVA, 500 Hz 2kVA, 50 Hz 2kVA, 200 Hz 2kVA, 400 Hz 2kVA, 500 Hz 2kVA, 50 Hz 2kVA, 200 Hz ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine core losses copper losses eddy current losses hysteresis losses core losses copper losses eddy current losses hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage? 2 V 18 V 180 V 20 V 2 V 18 V 180 V 20 V ANSWER DOWNLOAD EXAMIANS APP