Three Phase Induction Motors In an induction motor if air gap increased Windage losses will be more Bearing friction will reduce The power factor will be low Copper loss will reduce Windage losses will be more Bearing friction will reduce The power factor will be low Copper loss will reduce ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in terms of Squirrel cage induction motor None of the listed here Both squirrel cage and slip ring Slip ring induction motor Squirrel cage induction motor None of the listed here Both squirrel cage and slip ring Slip ring induction motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The approximate efficiency of a 3-phase , 50 Hz, 4 pole induction motor running at 1350 rpm is ______ 65% 90% 40% None of the listed here 65% 90% 40% None of the listed here 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 More than None of the listed here About the same Less than More than None of the listed here About the same ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the air gap between the rotor and stator of a 3-phase induction motor is increased, then_______ Leakage reactances are decreased Leakage reactances are increased None of the listed here No load current is decreased Leakage reactances are decreased Leakage reactances are increased None of the listed here No load current is decreased ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The induction motor has lagging power factor during Starting only Both starting and operation None of the listed here Operation only Starting only Both starting and operation None of the listed here Operation only ANSWER DOWNLOAD EXAMIANS APP