Electrical Machines The power factor of an induction motor operating at no load will have a value around 0.2 lead 0.2 lag unity 0.9 lag 0.2 lead 0.2 lag unity 0.9 lag ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following motors DC excitation is not required? 3-phase synchronous generator hysteresis motor reluctance motor 3-phase synchronous motor 3-phase synchronous generator hysteresis motor reluctance motor 3-phase synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breadth factor is defined as the ratio of emf with distributed winding to emf with concentrated winding. emf with concentrated winding to emf with distributed winding. both 1 and 2. None of these emf with distributed winding to emf with concentrated winding. emf with concentrated winding to emf with distributed winding. both 1 and 2. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In auto transformer if the turn ratio is K, what is the power transferred inductively? None of these (1-K) × input power K × input power both A and B None of these (1-K) × input power K × input power both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single-winding single-phase motor has high starting torque. starting torque equal to full-load torque. zero starting torque. low starting torque. high starting torque. starting torque equal to full-load torque. zero starting torque. low starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load primary current in a transformer leads the applied voltage somewhat less than 90Ã& lags behind applied voltage by exactly 90Â&am lags behind applied voltage somewhat less than 90à leads the applied voltage by exactly 90Â& leads the applied voltage somewhat less than 90Ã& lags behind applied voltage by exactly 90Â&am lags behind applied voltage somewhat less than 90à leads the applied voltage by exactly 90Â& ANSWER DOWNLOAD EXAMIANS APP
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