Three Phase Induction Motors The frame of an induction motor is usually made of Cast iron Bronze Silicon steel Aluminium Cast iron Bronze Silicon steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 1 0 0.5 0.1 1 0 0.5 0.1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The frequency of rotor current in a 6-pole , 50 Hz, 3-phase induction motor running at 950 rpm is 5 Hz 0.05 Hz 2.5 Hz 1.5 Hz 5 Hz 0.05 Hz 2.5 Hz 1.5 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed ______ Is decreased None of the listed here Is increased Remains unchanged Is decreased None of the listed here Is increased Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The 3- phase induction motor is so designed that the rotor should have ______ under running conditions. Large slip high resistance Low resistance High reactance Large slip high resistance Low resistance High reactance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors One of the speeds of a 2 speed squirrel cage induction motor is 800 rpm. The other speed will be _____ 1200 rpm 1600 rpm 400 rpm 2400 rpm 1200 rpm 1600 rpm 400 rpm 2400 rpm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS