Electrical Machines The stator core of a 3 - Φ induction motor is laminated in order to reduce the weight of the stator. hysteresis loss. both of the above. eddy current loss. weight of the stator. hysteresis loss. both of the above. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature voltage control is considered suitable for a DC motor driven at constant speed. power. current. torque. speed. power. current. torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC shunt motor if load is increased, the speed remains constant. reduce slightly. increase proportional. increased slightly. remains constant. reduce slightly. increase proportional. increased slightly. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of stator rotating magnetic field (RMF) with respect to rotor is S.Ns Ns Nr Zero S.Ns Ns Nr Zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC series motor the speed is ______________ proportional to the armature current. directly. has no relation. inversely. none of these. directly. has no relation. inversely. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator in case the brushes are moved so as to bring them in magnetic neutral axis, then, there will be cross-magnetisation. cross-magnetization as well as demagnetization. demagnetisation. none of above. cross-magnetisation. cross-magnetization as well as demagnetization. demagnetisation. none of above. ANSWER DOWNLOAD EXAMIANS APP
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