Electrical Machines The speed of stator rotating magnetic field (RMF) with respect to rotor is Nr S.Ns Ns Zero Nr S.Ns Ns Zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following components of a DC generator plays vital role for providing direct electric current of a DC generator? Eye bolt. Commutator. Dummy coils. Equalizer rings. Eye bolt. Commutator. Dummy coils. Equalizer rings. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Damper winding is used to suppress the hunting. decrease the load current. both 1 and 2. increase the load current. suppress the hunting. decrease the load current. both 1 and 2. increase the load current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High inrush of current during a starting of DC motor can efficiently be restricted to a safer value by increasing the _________________ resistance. both A and B shunt field none of above armature circuit both A and B shunt field none of above armature circuit ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When two DC series motors are connected in parallel, the resultant speed is zero. normal speed. less than normal speed. more than normal speed. zero. normal speed. less than normal speed. more than normal speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC Shunt Motor, the speed will____ if the voltage increases, neglecting armature saturation. remain the same. decrease. be unpredictable. increase remain the same. decrease. be unpredictable. increase ANSWER DOWNLOAD EXAMIANS APP
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