Electrical Machines The speed of a 50 Hz three phase induction motor under full load condition is 725 rpm the number of poles of the motor are ______________. 4. 8. 2. 6. 4. 8. 2. 6. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, find rms line voltage for delta connection? 50 V. 399 V. 100 V. 230.2 V. 50 V. 399 V. 100 V. 230.2 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low current rating which winding is employed to DC machine? None of above Both lap and wave winding Lap winding Wave winding None of above Both lap and wave winding Lap winding Wave winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC generator is run at full speed without any excitation. The open circuit voltage will be 220 V. zero. about 50 V. about 2 V. 220 V. zero. about 50 V. about 2 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When pure inductive load is connected to the alternator, what is the effect of armature reaction? Demagnetization None of these Magnetization Cross magnetization Demagnetization None of these Magnetization Cross magnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC shunt generator having a wave winding supplies 50 lamps, each of 60 W at 120 V. The armature and field resistance are 0.2 Ω and 60 Ω respectively. The current in each armature conductor is 27 A. 23 A. 11.5 A. 13.5 A. 27 A. 23 A. 11.5 A. 13.5 A. ANSWER DOWNLOAD EXAMIANS APP
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