Electrical Machines In DC generators brushes are used for collecting of current without any sparkings convert ac armature current in to dc reduce eddy current loss collecting of voltage collecting of current without any sparkings convert ac armature current in to dc reduce eddy current loss collecting of voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space distribution of air-gap flux density wave at no load is rectangular sinusoidal flat-topped co- sinusoidal rectangular sinusoidal flat-topped co- sinusoidal ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 3rd harmonics are eliminated in induction motor by using zig - zag connection. star connection. V connection. delta connection. zig - zag connection. star connection. V connection. delta connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control is provides speed control Below rated speed. Above rated speed. In both direction. In one direction only. Below rated speed. Above rated speed. In both direction. In one direction only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound motor has only series field winding. both shunt and series field winding. only shunt field winding. tertiary winding. only series field winding. both shunt and series field winding. only shunt field winding. tertiary winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The induction motor shaft is made of cast iron. stainless steel. aluminium. mild steel. cast iron. stainless steel. aluminium. mild steel. ANSWER DOWNLOAD EXAMIANS APP
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