Three Phase Induction Motors An induction motor is Non self starting Self starting with zero torque Self starting with high torque Self starting with low torque Non self starting Self starting with zero torque Self starting with high torque Self starting with low torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The reactance of the rotor circuit of a 3-phase induction motor is maximum at Half full load No load Starting Full load Half full load No load Starting Full load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The induction motor has lagging power factor during Both starting and operation Operation only Starting only None of the listed here Both starting and operation Operation only Starting only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The approximate efficiency of a 3-phase , 50 Hz, 4 pole induction motor running at 1350 rpm is ______ None of the listed here 90% 40% 65% None of the listed here 90% 40% 65% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 4 pole induction motor has a synchronous speed of 1500 rpm, then supply frequency is _____ 60 Hz 50 Hz 25 Hz None of the listed here 60 Hz 50 Hz 25 Hz None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage rotor, the bars are not placed parallel to the shaft but are skewed to have ______ None of the listed here Uniform torque Less rotor losses Greater mechanical strength None of the listed here Uniform torque Less rotor losses Greater mechanical strength ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS