Electrical Machines In dc machines, the space distribution of air-gap flux density wave at no load is sinusoidal rectangular co- sinusoidal flat-topped sinusoidal rectangular co- sinusoidal flat-topped ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are the starters used for starting of cage motors? DOL starter. Auto transformer starter. All of these. Star-delta starter. DOL starter. Auto transformer starter. All of these. Star-delta starter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is very effective for shunt motors. series motors. separately excited motors. differential compound motors. shunt motors. series motors. separately excited motors. differential compound motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, electric current to the external circuit from armature is given through commutator. none of above. solid connection. slip rings. commutator. none of above. solid connection. slip rings. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To avoid formation of grooves in the commutator brush position has no effect on the commutator grooving. the brushes of opposite polarity should track each other. the brushes of same polarity should track each other. None of these brush position has no effect on the commutator grooving. the brushes of opposite polarity should track each other. the brushes of same polarity should track each other. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is more expensive for same KW output rating ? AC single phase motor. Synchronous motor. DC Shunt Motor Induction motor. AC single phase motor. Synchronous motor. DC Shunt Motor Induction motor. ANSWER DOWNLOAD EXAMIANS APP
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