Electrical Machines The current drawn by the a 230 V DC motor of armature resistance 0.5 Ω and back emf 200 V is 600 660 40 60 600 660 40 60 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The full load copper loss and iron loss of transformer are 6400W and 5000W respectively. The copper loss and iron loss at half load will be respectively? 3200 W and 2500 W 1600 W and 1250 W 1600 W and 5000 W 3200 W and 5200 W 3200 W and 2500 W 1600 W and 1250 W 1600 W and 5000 W 3200 W and 5200 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 500 V, 120 KW, 50 Hz, star connected synchronous motor operating at 0.8 power factor leading has full load efficiency of 91%. The armature resistance is equal to 0.08Ω. The magnitude of armature current is nearly equal to 173 A. 240 A. 127 A. 190 A. 173 A. 240 A. 127 A. 190 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine is a both are correct. none of above are correct. conduction machine. convection machine. both are correct. none of above are correct. conduction machine. convection machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following DC Motor the ratio of starting torque to full load torque is minimum? Differential compound motor. Series motor. Shunt motor. Cumulative compound motor. Differential compound motor. Series motor. Shunt motor. Cumulative compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a part of transformer? Tap changer. Conservator tank. Radiator. Commutator. Tap changer. Conservator tank. Radiator. Commutator. ANSWER DOWNLOAD EXAMIANS APP
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