Three Phase Induction Motors In an induction motor the relationship between stator slots and rotor slots is that None of the listed here Stator slots are exact multiple of rotor slots Stator slots are not exact multiple of rotor slots Stator slots are equal to rotor slots None of the listed here Stator slots are exact multiple of rotor slots Stator slots are not exact multiple of rotor slots Stator slots are equal to rotor slots ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ Decreasing rotor resistance Increasing rotor resistance None of the listed here Increasing rotor reactance Decreasing rotor resistance Increasing rotor resistance None of the listed here Increasing rotor reactance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. 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 Independent of ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the supply voltage of a 3-phase induction motor is increased two times, then torque is _______ Decreased two times Increased two times Increased four times Decreased four times Decreased two times Increased two times Increased four times Decreased four times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by Using DOL starter Having number of rotor slots more or less than the number of stator slots Auto transformer starter Proper ventilation Using DOL starter Having number of rotor slots more or less than the number of stator slots Auto transformer starter Proper ventilation ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 95 to 98 % 80 to 90% 99% 60 to 90% 95 to 98 % 80 to 90% 99% 60 to 90% ANSWER DOWNLOAD EXAMIANS APP
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