Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 0 0.1 1 0.5 0 0.1 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For the same kVA rating, the leakage flux in induction motor is _______ that of transformer. Less than None of the listed here About the same More than Less than None of the listed here About the same More than ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of an induction motor is maximum when rotor resistance per phase is _____ rotor reactance / phase. Equal to Two times Four times None of the listed here Equal to Two times Four times None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, the ratio of rotor cu loss and rotor input is given by S/1-S 1-S 1/S S S/1-S 1-S 1/S S ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The low power factor of induction motor is due to Stator reactance The reactive lagging magnetizing current necessary to generate the magnetic flux Rotor leakage reactance All of these Stator reactance The reactive lagging magnetizing current necessary to generate the magnetic flux Rotor leakage reactance All of these ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At starting of a double squirrel cage induction motor _______ Outer cage winding has good pf Lower cage winding has low reactance None of the listed here Lower winding is more effective Outer cage winding has good pf Lower cage winding has low reactance None of the listed here Lower winding is more effective ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS