Three Phase Induction Motors A 3 phase induction motor is running at 2% slip. If the input to rotor is 1000 W, then mechanical power developed by the motor is _______ 980 W 200 W 20 W 500 W 980 W 200 W 20 W 500 W ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor at stand still resemble those of a transformer whose secondady is _______ None of the listed here Open circuited Supplying a variable resistive load Short circuited None of the listed here Open circuited Supplying a variable resistive load Short circuited ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. Independent of Directly proportional to None of the listed here Directly proportional to sqaure of Independent of Directly proportional to None of the listed here Directly proportional to sqaure of ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by Having number of rotor slots more or less than the number of stator slots Using DOL starter Auto transformer starter Proper ventilation Having number of rotor slots more or less than the number of stator slots Using DOL starter Auto transformer starter Proper ventilation ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor winding of a 3phase wound rotor induction motor is generally _______ connected. None of the listed here Partly star and partly delta Star Delta None of the listed here Partly star and partly delta Star Delta 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? 1000 rpm 730 rpm 2880 rpm 1440 rpm 1000 rpm 730 rpm 2880 rpm 1440 rpm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS