Three Phase Induction Motors The advantage of wound rotor motor is that _______ External resistance can be inserted in the rotor circuit It is inexpensive None of the listed here It requires less maintenance External resistance can be inserted in the rotor circuit It is inexpensive None of the listed here It requires less maintenance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 5 H.P., 50Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest? 1440 rpm 730 rpm 1000 rpm 2880 rpm 1440 rpm 730 rpm 1000 rpm 2880 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor at no load resemble those of a transformer whose secondady is _______ Open circuited Short-circuited Supplying a variable resistive load None of the listed here Open circuited Short-circuited Supplying a variable resistive load None of the listed here 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 at stand still resemble those of a transformer whose secondady is _______ Short circuited Supplying a variable resistive load Open circuited None of the listed here Short circuited Supplying a variable resistive load Open circuited None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The reactance of the rotor circuit of a 3-phase induction motor is maximum at Starting No load Half full load Full load Starting No load Half full load Full load ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS