Electrical Machines A DC compound motor has only series field winding. only shunt field winding. both shunt and series field winding. tertiary winding. only series field winding. only shunt field winding. both shunt and series field winding. tertiary winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor having 8 poles runs at 727.5 rpm. If the supply frequency is 50Hz, the emf in the rotor will have a frequency of 51.5Hz 48.5Hz 2.5Hz 1.5Hz 51.5Hz 48.5Hz 2.5Hz 1.5Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, the output power delivered by generator G1 and G2 will be 5.7 kW, 8.7 kW. 9.6 kW, 12 kW. 9.3 kW, 9.3 kW. 6.3 kW, 9.3 kW. 5.7 kW, 8.7 kW. 9.6 kW, 12 kW. 9.3 kW, 9.3 kW. 6.3 kW, 9.3 kW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a seperately excited DC Motor if field current is increased, it will Reduce starting torque. Reduce armature heating. Increase speed Increase acceleration duration. Reduce starting torque. Reduce armature heating. Increase speed Increase acceleration duration. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve high efficiency. low starting torque. reduced size. quick acceleration. high efficiency. low starting torque. reduced size. quick acceleration. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 6 pole, 50 Hz IM is running at a full load speed of 980 rpm. If it delivers an air gap power of 98000 Watt, calculate the rotor ohmic loss? 1800 Watt. 1920 Watt. 980 Watt. 1960 Watt. 1800 Watt. 1920 Watt. 980 Watt. 1960 Watt. ANSWER DOWNLOAD EXAMIANS APP