Electrical Machines Induction motors provided with open slots have less breakdown torque. higher efficiency. more breakdown torque. leading power factor. less breakdown torque. higher efficiency. more breakdown torque. leading power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1 Ω. If the full load current is 20 A, the difference of induced voltage between generator and motor is 60 V. 0 V. 40 V. 20 V. 60 V. 0 V. 40 V. 20 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motor operation depends on rotating magnetic field. either of these. stationary magnetic field. None of these rotating magnetic field. either of these. stationary magnetic field. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In applied voltage is reduced in a dc shunt motor Full load current. Full load torque. None of these. Full load speed. Full load current. Full load torque. None of these. Full load speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 1 KVA, 230 V, 50 Hz, single phase transformer has an eddy current loss of 30 watts. The eddy current loss when the transformer is excited by a dc source of same voltage will be less than 30 W zero watt more than 30 W 30 W less than 30 W zero watt more than 30 W 30 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is advisable to start a DC series motor with some load to Avoid sparking. Limit the speed. Limit the flux. Limit the current. Avoid sparking. Limit the speed. Limit the flux. Limit the current. ANSWER DOWNLOAD EXAMIANS APP