Three Phase Induction Motors A four speed squirrel cage induction motor uses______ stator windings. Three One Two Four Three One Two Four ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip rings are usually made of Carbon Phospor bronze Aluminium Copper Carbon Phospor bronze Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The maximum torque of a 3-phase induction motor under running conditions is Inveresly proportional to supply voltage None of the listed here Directly proportional to rotor resistance inversely proportional to rotor reactance at standstill Inveresly proportional to supply voltage None of the listed here Directly proportional to rotor resistance inversely proportional to rotor reactance at standstill 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 four times Decreased two times Increased two times Increased four times Decreased four times Decreased two times Increased two times 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 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 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 Both squirrel cage and slip ring Squirrel cage induction motor None of the listed here Slip ring induction motor Both squirrel cage and slip ring Squirrel cage induction motor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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