Three Phase Induction Motors At starting of a double squirrel cage induction motor _______ None of the listed here Lower winding is more effective Outer cage winding has good pf Lower cage winding has low reactance None of the listed here Lower winding is more effective Outer cage winding has good pf Lower cage winding has low reactance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The induction motor has lagging power factor during None of the listed here Operation only Both starting and operation Starting only None of the listed here Operation only Both starting and operation Starting only ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel cage induction motor is changed by Cascade control Pole changing Rheostatic control None of the listed here Cascade control Pole changing Rheostatic control None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of induction motor is made of Any of the listed here Flexible Hollow Stiff Any of the listed here Flexible Hollow Stiff ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 0.1 0.5 0 1 0.1 0.5 0 1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 600 rpm 300 rpm 1000 rpm 1200 rpm 600 rpm 300 rpm 1000 rpm 1200 rpm ANSWER DOWNLOAD EXAMIANS APP