Transformers The short circuit test helps us to find Cu loss at no load Cu loss at any desire load Iron loss at no load None of the listed here Cu loss at no load Cu loss at any desire load Iron loss at no load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same number of turns on the secondary side. same efficiency same kVA rating same polarity same number of turns on the secondary side. same efficiency same kVA rating same polarity ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Copper Friction Hysteresis Eddy current Copper Friction Hysteresis Eddy current 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 Eddy losses are totally eliminated Copper losses are negligible Saving in winding material Hysteresis losses are reduced Eddy losses are totally eliminated Copper losses are negligible Saving in winding material ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 8 μH 2 mH 2 μH 4 μH 8 μH 2 mH 2 μH 4 μH ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a fitting on a transformer? Buchholz's relay Breather Conservator Commutator Buchholz's relay Breather Conservator Commutator ANSWER DOWNLOAD EXAMIANS APP
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