Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 99% 60 to 90% 95 to 98 % 80 to 90% 99% 60 to 90% 95 to 98 % 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by Auto transformer starter Proper ventilation Having number of rotor slots more or less than the number of stator slots Using DOL starter Auto transformer starter Proper ventilation Having number of rotor slots more or less than the number of stator slots Using DOL starter ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The power factor of an induction motor under no load conditions will be closer to 0.2 leading 0.5 leading Unity 0.2 lagging 0.2 leading 0.5 leading Unity 0.2 lagging 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 Slip ring induction motor Both squirrel cage and slip ring Squirrel cage induction motor None of the listed here Slip ring induction motor Both squirrel cage and slip ring ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The frame of an induction motor is usually made of Aluminium Bronze Silicon steel Cast iron Aluminium Bronze Silicon steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 300 rpm 1200 rpm 1000 rpm 600 rpm 300 rpm 1200 rpm 1000 rpm 600 rpm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS