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 At no load the rotor core loss of a 3 phase induction motor is Small Large None of the listed here Practically zero Small Large None of the listed here Practically zero ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase induction motor is running at 2% slip. If the input to rotor is 1000 W, then mechanical power developed by the motor is _______ 980 W 200 W 20 W 500 W 980 W 200 W 20 W 500 W 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 _____ 600 rpm 300 rpm 1200 rpm 1000 rpm 600 rpm 300 rpm 1200 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Very large 3-phase induction motors (greater than 25 HP) are started _____ None of the listed here Direct on line By auto transformer starting Star-delta starting None of the listed here Direct on line By auto transformer starting Star-delta starting ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 1 0.5 0 0.1 1 0.5 0 0.1 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS