Electrical Machines A transformer has maximum efficiency at 3/4 load. The ratio of iron loss and full load copper loss is 3/4. 9/16. 16/9. 4/3. 3/4. 9/16. 16/9. 4/3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The constant losses in transformer is/are both 2 and 3. eddy current loss. hysteresis loss. copper loss. both 2 and 3. eddy current loss. hysteresis loss. copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the maximum power factor of an induction motor for dispersion coefficient of 0.05? 20. 0.05. 0.905. 1.1. 20. 0.05. 0.905. 1.1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The use of higher flux density in the transformer design reduces the weigh per KVA has no relation with the weight of transformer increases the weigh per KVA None of these reduces the weigh per KVA has no relation with the weight of transformer increases the weigh per KVA None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, electric current to the external circuit from armature is given through slip rings. none of above. commutator. solid connection. slip rings. none of above. commutator. solid connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine is a convection machine. conduction machine. both are correct. none of above are correct. convection machine. conduction machine. both are correct. none of above are correct. ANSWER DOWNLOAD EXAMIANS APP
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