Electrical Machines The stator core of a 3 - Φ induction motor is laminated in order to reduce the hysteresis loss. weight of the stator. both of the above. eddy current loss. hysteresis loss. weight of the stator. both of the above. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator on no-load, the air gap flux distribution in space is sinusoidal. pulsating. flat topped. triangular. sinusoidal. pulsating. flat topped. triangular. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field current is reduced to zero the maximum power developed by alternator is 5.46 KW. 0.9103 KW. 1.644 KW. 2.73 KW. 5.46 KW. 0.9103 KW. 1.644 KW. 2.73 KW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, full form of MNA is what? Magnetic neutral armature co-ordinate. Magnetically no-load armature co-ordinate. Magnetic neutral axis. Magnetic no-load axis. Magnetic neutral armature co-ordinate. Magnetically no-load armature co-ordinate. Magnetic neutral axis. Magnetic no-load axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc generator operating on load with its brushes on the geometrical neutral axis (GNA), the magnetic neutral axis (MNA) is shifted in the direction of rotation. Now, if the brushes are given a lead of 90° (electrical), then the MNA will coincide with the GNA shift forward by 90° shift forward by less than 90° shift forward by more than 90° coincide with the GNA shift forward by 90° shift forward by less than 90° shift forward by more than 90° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following methods are used to control the speed of DC motors is field current control supply voltage control All of these armature circuit resistance control field current control supply voltage control All of these armature circuit resistance control ANSWER DOWNLOAD EXAMIANS APP
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