Electrical Machines A 20KVA auto transformer, turn ratio is 0.8. Find the power transferred conductively? 16KVA 20KVA 0KVA 4KVA 16KVA 20KVA 0KVA 4KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Why are capacitors used with large AC induction motor? Improve power level. Improve power factor. Improve voltage level. Improve current level. Improve power level. Improve power factor. Improve voltage level. Improve current level. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of an induction motor operating at no load will have a value around 0.2 lag 0.2 lead 0.9 lag unity 0.2 lag 0.2 lead 0.9 lag unity ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz 1-phase induction motor is running at 1470 rpm. Find the forward and backward slips? 0.02, 1.98 0.04, 0.96 0.02, 0.98 0.04, 1.96 0.02, 1.98 0.04, 0.96 0.02, 0.98 0.04, 1.96 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC generator runs at 750 rpm and generate an emf of 240 V. The armature is wave wound and has 792 conductors. If the total flux from each pole is 0.0145 Wb. What is the leakage co-efficient? 1.8. 1.5. 1.4. 1.2. 1.8. 1.5. 1.4. 1.2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? compensating winding pole chamfering pole stacking All of these compensating winding pole chamfering pole stacking All of these ANSWER DOWNLOAD EXAMIANS APP
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