Electrical Machines If the applied voltage of a DC motor is 230 V, then back emf, for maximum power developed is 200 V. 230 V. 460 V. 115 V. 200 V. 230 V. 460 V. 115 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is expensive for same Kw output rates? Synchronous motor. DC Shunt Motor Induction motor. AC single phase motor. Synchronous motor. DC Shunt Motor Induction motor. AC single phase motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If input of a transformer is square wave the output will be triangular wave. pulsed wave. sine wave. square wave. triangular wave. pulsed wave. sine wave. square wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the field system has to be provided on stator unlike synchronous machines Where in it could be on any member, because it gives more uniform air-gap flux distribution dc machines are comparatively low rating machines. commutator action is not possible otherwise it reduces field structure iron losses it gives more uniform air-gap flux distribution dc machines are comparatively low rating machines. commutator action is not possible otherwise it reduces field structure iron losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC Shunt Motor, the speed will____ if the voltage increases, neglecting armature saturation. decrease. increase be unpredictable. remain the same. decrease. increase be unpredictable. remain the same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Silicon content in steel lamination is kept within 5% as it Increases cost. makes the material brittle. increases hysteresis loss. All of these Increases cost. makes the material brittle. increases hysteresis loss. All of these ANSWER DOWNLOAD EXAMIANS APP
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