Three Phase Induction Motors Size of a high speed motor as compared to low speed motor for the same HP will be Smaller Same Any of the listed here Bigger Smaller Same Any of the listed here Bigger ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase 440 v, 50 Hz induction motor has 4% slip. The frequency of rotor emf will be 20 Hz 2 Hz 50 Hz 200 Hz 20 Hz 2 Hz 50 Hz 200 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The advantage of wound rotor motor is that _______ External resistance can be inserted in the rotor circuit It requires less maintenance It is inexpensive None of the listed here External resistance can be inserted in the rotor circuit It requires less maintenance It is inexpensive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The number of slip rings on a squirrel cage induction motor is usually One Two None Three One Two None Three 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 _______ Increased four times Decreased two times Decreased four times Increased two times Increased four times Decreased two times Decreased four times Increased two times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The 3- phase induction motor is so designed that the rotor should have ______ under running conditions. Low resistance Large slip High reactance high resistance Low resistance Large slip High reactance high resistance ANSWER DOWNLOAD EXAMIANS APP