Three Phase Induction Motors If a 4 pole induction motor has a synchronous speed of 1500 rpm, then supply frequency is _____ 50 Hz 60 Hz 25 Hz None of the listed here 50 Hz 60 Hz 25 Hz None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is Self starting with low torque Self starting with high torque Self starting with zero torque Non self starting Self starting with low torque Self starting with high torque Self starting with zero torque Non self starting 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. Two times None of the listed here Equal to Four times Two times None of the listed here Equal to Four times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel cage induction motor is changed by Rheostatic control None of the listed here Pole changing Cascade control Rheostatic control None of the listed here Pole changing Cascade control ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, no load the slip is generally 1.5 % 2% 4% Less than 1% 1.5 % 2% 4% Less than 1% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip rings are usually made of Carbon Copper Aluminium Phospor bronze Carbon Copper Aluminium Phospor bronze ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS