Transformers Which of the following protection is normally not provided on small distribution transformers? Buchholz relay Overfluxing protection All of these Overcurrent protection Buchholz relay Overfluxing protection All of these Overcurrent protection ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer is always made on ______ None of the listed here High voltage winding Low voltage winding Either low or high voltage winding None of the listed here High voltage winding Low voltage winding Either low or high voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Copper losses Leakage reactance Iron losses Winding resistance Copper losses Leakage reactance Iron losses Winding resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load current of a transformer has has small magnitude and high power factor has high magnitude and high power factor has high magnitude and low power factor has small magnitude and low power factor has small magnitude and high power factor has high magnitude and high power factor has high magnitude and low power factor has small magnitude and low power factor 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 20 V 180 V 2 V 18 V 20 V 180 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has High permeability All of the listed here High silicon content Low hysteresis loss High permeability All of the listed here High silicon content Low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
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