Transformers The dielectric strength of transformer oil is expected to be lkV 330 kV 100 kV 33 kV lkV 330 kV 100 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its dielectric strength of oil copper loss voltage ratio temperature rise dielectric strength of oil copper loss voltage ratio temperature rise 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 900 V 0.9 V 90 V 9 V 900 V 0.9 V 90 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Eddy losses are totally eliminated Copper losses are negligible Hysteresis losses are reduced Saving in winding material Eddy losses are totally eliminated Copper losses are negligible Hysteresis losses are reduced Saving in winding material ANSWER DOWNLOAD EXAMIANS APP
Transformers Noise level test in a transformer is a None of these type test special test routine test None of these type test special test routine test ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer, leakage flux Helps in transfer of energy Produces mutually induced emf Is minimised by interleaving the primary and secondary windings Is negligible at full load Helps in transfer of energy Produces mutually induced emf Is minimised by interleaving the primary and secondary windings Is negligible at full load ANSWER DOWNLOAD EXAMIANS APP
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