Electrical Machines In DC generator, brushes are always placed along load axis. armature axis. geometrical neutral axis. magnetic neutral axis. load axis. armature axis. geometrical neutral axis. magnetic neutral axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip speed is the difference of synchronous speed and actual rotor speed. difference of actual rotor speed and synchronous speed. half of the sum of synchronous and rotor speeds. sum of synchronous and rotor speeds. difference of synchronous speed and actual rotor speed. difference of actual rotor speed and synchronous speed. half of the sum of synchronous and rotor speeds. sum of synchronous and rotor speeds. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series generator is connected in series to a feeder having 0.5Ω resistance to boost the voltage. The induced voltage is given by Eg = 0.6Ia, Ra = 0.2Ω and Rs = 0.3Ω. Find the voltage boosted by the generator, when delivering 400 Amp? 40 V. 30 V. 60 V. 90 V. 40 V. 30 V. 60 V. 90 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a compensated DC series motor, the compensating winding is provided In parallel with the armature winding. In series with the armature winding. As a separate unit. In parallel with the field winding. In parallel with the armature winding. In series with the armature winding. As a separate unit. In parallel with the field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machine armature windings are placed on rotor because of the necessity for development of torque. commutation. electromechanical energy conversion. generation of voltage. development of torque. commutation. electromechanical energy conversion. generation of voltage. 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 50 Hz 40 HZ 25 Hz 60 Hz 50 Hz 40 HZ 25 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
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