Electrical Machines Equalizer rings are used in which of the followings? None of these wave winding lap winding both 1 and 2 None of these wave winding lap winding both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of DC motor is laminated to reduce the inductor. to reduce the mass. to reduce the hysteresis loss. to reduce the eddy current loss. to reduce the inductor. to reduce the mass. to reduce the hysteresis loss. to reduce the eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, electric current to the external circuit from armature is given through none of above. commutator. solid connection. slip rings. none of above. commutator. solid connection. slip rings. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of starting torque. running torque. speed regulation. efficiency. starting torque. running torque. speed regulation. efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Thin laminations are used in a machine in order to reduce Copper losses Hysteresis losses Both 1 and 2 Eddy current losses Copper losses Hysteresis losses Both 1 and 2 Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging in induction motor occurs when number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = even number. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = even number. ANSWER DOWNLOAD EXAMIANS APP