Three Phase Induction Motors If the supply voltage of a 3-phase induction motor is increased two times, then torque is _______ Decreased four times Increased two times Decreased two times Increased four times Decreased four times Increased two times Decreased two times Increased four times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of an induction motor runs at Any of the above Above synchronous speed Below synchronous speed Synchronous speed Any of the above Above synchronous speed Below synchronous speed Synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 600 rpm 300 rpm 1200 rpm 1000 rpm 600 rpm 300 rpm 1200 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ High starting torque is required Less costly motor is not required Speed control is required High rotor resistance is required during running High starting torque is required Less costly motor is not required Speed control is required High rotor resistance is required during running ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Size of a high speed motor as compared to low speed motor for the same HP will be Same Smaller Bigger Any of the listed here Same Smaller Bigger Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is Non self starting Self starting with high torque Self starting with low torque Self starting with zero torque Non self starting Self starting with high torque Self starting with low torque Self starting with zero torque ANSWER DOWNLOAD EXAMIANS APP
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