Electrical Machines An IM cannot run at synchronous speed because none of above. induction motor will become synchronous motor. air friction will prevent it. rotor torque will not be produced. none of above. induction motor will become synchronous motor. air friction will prevent it. rotor torque will not be produced. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor torque or load angle δ ------------- with increase in load remains unaffected increases decreases None of these remains unaffected increases decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following voltage regulator is preferred for providing large values of load current? Transistor series regulator. None of these Zener diode shunt regulator. Transistor shunt regulator. Transistor series regulator. None of these Zener diode shunt regulator. Transistor shunt regulator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of starting torque. efficiency. running torque. speed regulation. starting torque. efficiency. running torque. speed regulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stability of a synchronous motor ---------- with the increase in excitation. increases decreases remains unaffected any of the above increases decreases remains unaffected any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating windings is placed in which part of a D.C motor? None of these On yoke in the inter pole gap. On yoke in the pole faces. On armature. None of these On yoke in the inter pole gap. On yoke in the pole faces. On armature. ANSWER DOWNLOAD EXAMIANS APP