Transformers No-load current of a transformer has has high magnitude and low power factor has high magnitude and high power factor has small magnitude and high power factor has small magnitude and low power factor has high magnitude and low power factor has high magnitude and high power factor has small magnitude and high power factor has small magnitude and low power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? Overcurrent protection All of these Overfluxing protection Buchholz relay Overcurrent protection All of these Overfluxing protection Buchholz relay ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer having ratings less than 5kVA are generally ______ None of the listed here Water cooled Natural air cooled Oil cooled None of the listed here Water cooled Natural air cooled Oil cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to mechanical vibrations load changes oil in the transformer magnetostriction mechanical vibrations load changes oil in the transformer magnetostriction ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 65% 50% 95% 80% 65% 50% 95% 80% ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of Can be any ratio 2:1 1:1 1:2 Can be any ratio 2:1 1:1 1:2 ANSWER DOWNLOAD EXAMIANS APP
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