Electrical Machines In auto transformer if the turn ratio is K, what is the power transferred inductively? None of these (1-K) × input power both A and B K × input power None of these (1-K) × input power both A and B K × input power ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve low starting torque. reduced size. quick acceleration. high efficiency. low starting torque. reduced size. quick acceleration. high efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Winding conductors of an electrical power transformer are mainly insulated by wooden insulation. rubber insulation. cotton insulation. paper insulation. wooden insulation. rubber insulation. cotton insulation. paper insulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines which of the following losses are negligible in blocked rotor test? copper loss iron loss mechanical loss both A and B copper loss iron loss mechanical loss both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. linear. none of these. wound. cage. linear. none of these. wound. cage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque is proportional to which of the following? flux(φ) None of these both A and B armature current(Ia) flux(φ) None of these both A and B armature current(Ia) ANSWER DOWNLOAD EXAMIANS APP
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