Three Phase Induction Motors If a 4 pole induction motor has a synchronous speed of 1500 rpm, then supply frequency is _____ 25 Hz None of the listed here 50 Hz 60 Hz 25 Hz None of the listed here 50 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage induction motor, the number of stator slots is _______ rotor slots. Always greater than the number of Always less than the number of Either more or less than the number of Always eqaul to the number of Always greater than the number of Always less than the number of Either more or less than the number of Always eqaul to the number of ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At starting of a double squirrel cage induction motor _______ Outer cage winding has good pf None of the listed here Lower winding is more effective Lower cage winding has low reactance Outer cage winding has good pf None of the listed here Lower winding is more effective Lower cage winding has low reactance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor on load resemble those of a transformer whose secondady is _______ Supplying a variable resistive load None of the listed here Open circuited Short circuited Supplying a variable resistive load None of the listed here Open circuited Short circuited ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed by a 3 phase induction motor least depends on Rotor current Rotor emf Shaft diameter Rotor power factor Rotor current Rotor emf Shaft diameter Rotor power factor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 3-phase wound rotor morors are also called _____ motors. Series Commutator Slip ring Synchronous Series Commutator Slip ring Synchronous ANSWER DOWNLOAD EXAMIANS APP
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