Electrical Machines For a dc machine shunt resistance and armature resistance values are high and low low and high high and high low and low high and low low and high high and high low and low ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, the output power delivered by generator G1 and G2 will be 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. 5.7 kW, 8.7 kW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC Motor for constant load torque, what will happen to the armature current if armature resistance increases? Remain unchanged Increases. Decreases. None of above. Remain unchanged Increases. Decreases. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole DC generator runs at 1500 rpm. The frequency of current in the armature winding is: 25 Hz. 50 Hz. Zero Hz. 100 Hz. 25 Hz. 50 Hz. Zero Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC Shunt Motor having shunt field resistance of 250 Ω and armature resistance of 0.5 Ω is connected to 250 V supply and load current of 21 A. What is the back emf generated ? 210 V 230 V. 150 V. 240 V. 210 V 230 V. 150 V. 240 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole, 3-phase induction motor is running at 4% slip at full load. If the speed of the motor is 720 rpm, the supply frequency is 40 HZ 60 Hz 50 Hz 25 Hz 40 HZ 60 Hz 50 Hz 25 Hz ANSWER DOWNLOAD EXAMIANS APP
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