Electrical Machines In a DC generator the actual flux distribution depends upon all of above. shape of the pole shoe. clearance between tips of the adjacent pole shoes. size of air gap. all of above. shape of the pole shoe. clearance between tips of the adjacent pole shoes. size of air gap. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC motors has almost constant speed over their full load range? none of these. Compound (cummolative). Series. Shunt. none of these. Compound (cummolative). Series. Shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the cause of rapid brush wear may be severe sparking. imperfect contact. rough commutator surface. any of above. severe sparking. imperfect contact. rough commutator surface. any of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has the highest power factor at full load? Shaded pole Capacitor start Capacitor run Resistance split phase Shaded pole Capacitor start Capacitor run Resistance split phase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Oil is provided in an oil filled transformer for both cooling and insulation. insulating. cooling. lubrication. both cooling and insulation. insulating. cooling. lubrication. 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
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