Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Conservator Thermal overload relays Breather Horn gaps Conservator Thermal overload relays Breather Horn gaps ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding in a transformer has more number of turns? Low voltage winding High voltage winding Primary winding Secondary winding Low voltage winding High voltage winding Primary winding Secondary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Losses which occur in rotating electric machines and do not occur in trans formers are hysteresis and eddy current losses friction and windage losses magnetic losses copper losses hysteresis and eddy current losses friction and windage losses magnetic losses copper losses 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? 9 V 0.9 V 900 V 90 V 9 V 0.9 V 900 V 90 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load ratio of a 50 Hz single phase transformer is 6000/250 V. The maximum flux in the core is 0.06 Wb. What is the number of primary turns? 450 350 210 900 450 350 210 900 ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ Apparent power Leakage reactance None of the listed here Reactive power Apparent power Leakage reactance None of the listed here Reactive power ANSWER DOWNLOAD EXAMIANS APP
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