Electrical Machines Brushes are always placed on--------------- , in order to achieve sparkles commutation? MNA None of these either GNA or MNA GNA MNA None of these either GNA or MNA GNA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft of induction motor should be flexible. hollow. any of these. stiff. flexible. hollow. any of these. stiff. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the pitch factor? sin (α/2) Cos α² Cos α Cos (α/2) sin (α/2) Cos α² Cos α Cos (α/2) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are effects of armature reaction? increase the iron loss increase the maintenance and repair increases the design cost All of these increase the iron loss increase the maintenance and repair increases the design cost All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in dc motor results increase in speed. decrease in speed. short circuit. open circuit. increase in speed. decrease in speed. short circuit. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the frequency of rotor current of 50 Hz induction motor operating at 4% slip? 1 Hz 2.5Hz 50Hz 2HZ 1 Hz 2.5Hz 50Hz 2HZ ANSWER DOWNLOAD EXAMIANS APP
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