Electrical Machines Which of the following DC generators has rising V-I characteristics? Compound. Series. None of them. Shunt. Compound. Series. None of them. Shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip speed is the difference of synchronous speed and actual rotor speed. half of the sum of synchronous and rotor speeds. sum of synchronous and rotor speeds. difference of actual rotor speed and synchronous speed. difference of synchronous speed and actual rotor speed. half of the sum of synchronous and rotor speeds. sum of synchronous and rotor speeds. difference of actual rotor speed and synchronous speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of stator rotating magnetic field (RMF) with respect to rotor is Zero S.Ns Nr Ns Zero S.Ns Nr Ns ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor has which of the following characteristics? Has its field winding consinting of thick wire and less no of turns. Has a almost constant speed. Can be started easily without load. Has a poor torque. Has its field winding consinting of thick wire and less no of turns. Has a almost constant speed. Can be started easily without load. Has a poor torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as A capacitor. None of these. A resistor. an inductor. A capacitor. None of these. A resistor. an inductor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto-transformer, power is transferred through both A and B. conduction process only. None of these induction process only. both A and B. conduction process only. None of these induction process only. ANSWER DOWNLOAD EXAMIANS APP
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