Three Phase Induction Motors The injected e.m.f. in the rotor of induction motor must have High value for the satisfactory speed control Zero frequency The same phase as the rotor e.m.f. The same frequency as the slip frequency High value for the satisfactory speed control Zero frequency The same phase as the rotor e.m.f. The same frequency as the slip frequency 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 Proper ventilation Auto transformer starter Having number of rotor slots more or less than the number of stator slots Using DOL starter Proper ventilation Auto transformer starter ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is Self starting with high torque Self starting with zero torque Non self starting Self starting with low torque Self starting with high torque Self starting with zero torque Non self starting Self starting with low torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The maximum torque in an induction motor depends on Square of supply voltage Frequency Rotor inductive reactance All of the listed here Square of supply voltage Frequency Rotor inductive reactance All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The crawling in an induction motor is caused by Low voltage supply Improper design of machine Harmonics developed in the rotor High loads Low voltage supply Improper design of machine Harmonics developed in the rotor High loads ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Which of the following component is usually fabricated out of silicon steel? Stator core Bearings Shaft None of these Stator core Bearings Shaft None of these ANSWER DOWNLOAD EXAMIANS APP
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