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 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 Using DOL starter ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ Increased at starting Decreased at starting Increased under running conditions None of the listed here Increased at starting Decreased at starting Increased under running conditions None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When a 3-phase induction motor is at no load, the slip is ______ Practically zero 0.2 1 0.5 Practically zero 0.2 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a 3 phase induction motor, the rotor speed is _____ the synchronous speed. Smaller than Greater than None of the listed here Equal to Smaller than Greater than None of the listed here Equal to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in terms of Both squirrel cage and slip ring Slip ring induction motor None of the listed here Squirrel cage induction motor Both squirrel cage and slip ring Slip ring induction motor None of the listed here Squirrel cage induction motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For the same kVA rating, the leakage flux in induction motor is _______ that of transformer. About the same Less than None of the listed here More than About the same Less than None of the listed here More than ANSWER DOWNLOAD EXAMIANS APP
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