Transformers Efficiency of a power transformer is of the order of 25 per cent 100 per cent 50 per cent 98 per cent 25 per cent 100 per cent 50 per cent 98 per cent ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise produced by a transformer is termed as zoom hum buzz ringing zoom hum buzz ringing 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 Which of the following is not a fitting on a transformer? Breather Commutator Buchholz's relay Conservator Breather Commutator Buchholz's relay Conservator ANSWER DOWNLOAD EXAMIANS APP
Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 900 V 90 V 0.9 V 9 V 900 V 90 V 0.9 V 9 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The iron core is used to ______of the transformer. None of the listed here Provide tight magnetic coupling Increase the wight Reduce core loss None of the listed here Provide tight magnetic coupling Increase the wight Reduce core loss ANSWER DOWNLOAD EXAMIANS APP
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