Three Phase Induction Motors The stator of a three phase induction motor produces _______ magnetic field. Alternating None of the listed here Rotating Steady Alternating None of the listed here Rotating Steady 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 maximum torque of a 3-phase induction motor under running conditions is Directly proportional to rotor resistance inversely proportional to rotor reactance at standstill Inveresly proportional to supply voltage None of the listed here Directly proportional to rotor resistance inversely proportional to rotor reactance at standstill Inveresly proportional to supply voltage None of the listed here 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 20 W 500 W 200 W 980 W 20 W 500 W 200 W 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. Four times None of the listed here Equal to Two times Four times None of the listed here Equal to Two times 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 _____ 1600 rpm 2400 rpm 400 rpm 1200 rpm 1600 rpm 2400 rpm 400 rpm 1200 rpm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS