Electrical Machines Hunting phenomenon is observed in which motor? Synchronous motor. DC motor. Both A and C. Induction motor. Synchronous motor. DC motor. Both A and C. Induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the operating region of slip in a 1-phase induction motor? -2 < S < 2 0 < S < 2 0 < S < 1 -1 < S < 1 -2 < S < 2 0 < S < 2 0 < S < 1 -1 < S < 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction of an unsaturated DC machine is none of above. demagnetising. crossmagnetising. magnetising. none of above. demagnetising. crossmagnetising. magnetising. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is an advisable to use auto transformer if the transformation ratio is 0.5. 0.25. Greater than 1. near to 1. 0.5. 0.25. Greater than 1. near to 1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power flow of a dc motor, with respect to a DC generator is none of these. increased. reversed. modified. none of these. increased. reversed. modified. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The material used for commutator brushes is mostly carbon. copper. cast iron. mica. carbon. copper. cast iron. mica. ANSWER DOWNLOAD EXAMIANS APP
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