Three Phase Induction Motors Less maintenance troubles are experienced in case of Squirrel cage induction motor Both (A) and (B) Slip ring induction motor None of these Squirrel cage induction motor Both (A) and (B) Slip ring induction motor None of these ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The direction of rotation of field in a 3 phase induction motor depends upon _____ Supply frequency Phase sequence of supply voltage Magnitude of supply voltage Number of poles Supply frequency Phase sequence of supply voltage Magnitude of supply voltage Number of poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor with 1000 r.p.m. speed will have 2 poles 6 poles 8 poles 4 poles 2 poles 6 poles 8 poles 4 poles ANSWER DOWNLOAD EXAMIANS APP
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 None of the listed here No load current is decreased Leakage reactances are increased Leakage reactances are decreased None of the listed here No load current is decreased Leakage reactances are increased ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of an induction motor is maximum when rotor resistance per phase is _____ rotor reactance / phase. None of the listed here Four times Equal to Two times None of the listed here Four times Equal to Two times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The frame of an induction motor is usually made of Bronze Cast iron Aluminium Silicon steel Bronze Cast iron Aluminium Silicon steel ANSWER DOWNLOAD EXAMIANS APP