Three Phase Induction Motors The condition of induction motor on load resemble those of a transformer whose secondady is _______ Open circuited Short circuited None of the listed here Supplying a variable resistive load Open circuited Short circuited None of the listed here Supplying a variable resistive load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase induction motor is ________ Essentially a constant speed motor Very costly A variable speed motor Not easily maintainable Essentially a constant speed motor Very costly A variable speed motor Not easily maintainable 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 _____ 400 rpm 2400 rpm 1200 rpm 1600 rpm 400 rpm 2400 rpm 1200 rpm 1600 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The maximum torque in an induction motor depends on Square of supply voltage All of the listed here Frequency Rotor inductive reactance Square of supply voltage All of the listed here Frequency Rotor inductive reactance 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. None of the listed here Equal to Four times Two times None of the listed here Equal to Four times Two times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At starting of a double squirrel cage induction motor _______ Outer cage winding has good pf Lower winding is more effective None of the listed here Lower cage winding has low reactance Outer cage winding has good pf Lower winding is more effective None of the listed here Lower cage winding has low reactance ANSWER DOWNLOAD EXAMIANS APP
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