Electrical Machines An ideal DC generated is one that has _____________ voltage regulation. positive. low. negative. zero. positive. low. negative. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard system, the lower limit of the speed imposed by Armature resistance. Residual magnetism of the generator. Field resistance. None of above. Armature resistance. Residual magnetism of the generator. Field resistance. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is unity leading zero lagging unity leading zero lagging ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an AC servomotor has one of its winding excited by AC, then voltage measured at the other winding with rotor running will be proportional to rotor speed. proportional to square of rotor speed. constant independent of speed. zero. proportional to rotor speed. proportional to square of rotor speed. constant independent of speed. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor when the rotor speed exceeds the synchronous speed during hunting the damper bars develop synchronous motor torque. the damper bars develop induction motor torque. negative sequence currents are generated. the damper bars develop induction generator torque. the damper bars develop synchronous motor torque. the damper bars develop induction motor torque. negative sequence currents are generated. the damper bars develop induction generator torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 1. 0.54. 0.7. 0.3. 1. 0.54. 0.7. 0.3. ANSWER DOWNLOAD EXAMIANS APP
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