Three Phase Induction Motors If the air gap between the rotor and stator of a 3-phase induction motor is increased, then_______ Leakage reactances are decreased No load current is decreased None of the listed here Leakage reactances are increased Leakage reactances are decreased No load current is decreased None of the listed here Leakage reactances are increased ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The injected e.m.f. in the rotor of induction motor must have Zero frequency The same frequency as the slip frequency The same phase as the rotor e.m.f. High value for the satisfactory speed control Zero frequency The same frequency as the slip frequency The same phase as the rotor e.m.f. High value for the satisfactory speed control ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in terms of Slip ring induction motor None of the listed here Both squirrel cage and slip ring Squirrel cage induction motor Slip ring induction motor None of the listed here Both squirrel cage and slip ring 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. More than Less than About the same None of the listed here More than Less than About the same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If any two phases for an induction motor are interchanged The motor will not run The motor will run at reduced speed The motor will burn The motor will run in reverse direction The motor will not run The motor will run at reduced speed The motor will burn The motor will run in reverse direction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The crawling in an induction motor is caused by High loads Improper design of machine Harmonics developed in the rotor Low voltage supply High loads Improper design of machine Harmonics developed in the rotor Low voltage supply ANSWER DOWNLOAD EXAMIANS APP
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