Transformers Sumpner's test is conducted on transformer to determine Temperature All day efficiency None of the listed here Stray losses Temperature All day efficiency None of the listed here Stray losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Hysteresis losses are reduced Copper losses are negligible Eddy losses are totally eliminated Saving in winding material Hysteresis losses are reduced Copper losses are negligible Eddy losses are totally eliminated Saving in winding material ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary by the flux None of these through air through cooling coil by the flux None of these through air through cooling coil ANSWER DOWNLOAD EXAMIANS APP
Transformers The winding of the transformer with greater number of turns will be _____ Either high or low voltage winding High voltage winding None of the listed here Low voltage winding Either high or low voltage winding High voltage winding None of the listed here Low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 2 mH 4 μH 2 μH 8 μH 2 mH 4 μH 2 μH 8 μH ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ Ampere turns and voltage per turns Resistance and leakage reactances Currents and induced voltages None of the listed here Ampere turns and voltage per turns Resistance and leakage reactances Currents and induced voltages None of the listed here ANSWER DOWNLOAD EXAMIANS APP