Three Phase Induction Motors The starting torque of an induction motor is maximum when rotor resistance per phase is _____ rotor reactance / phase. Four times Two times None of the listed here Equal to Four times Two times None of the listed here Equal to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 4 pole induction motor has a synchronous speed of 1500 rpm, then supply frequency is _____ 50 Hz 25 Hz None of the listed here 60 Hz 50 Hz 25 Hz None of the listed here 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If an induction motor is running at slip S, then rotor output is ______ (1+S) × rotor input (1-S) × rotor input S × rotor input (S-1) × rotor input (1+S) × rotor input (1-S) × rotor input S × rotor input (S-1) × rotor input 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 None of the listed here Less than More than About the same None of the listed here Less than More than ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Friction and windage loss of a 3 phase induction motor are Remains the same at all loads None of the listed here Maximum at no load Minimum at no load Remains the same at all loads None of the listed here Maximum at no load Minimum at no load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of an induction motor is made of Cast iron High speed steel Carbon steel Stainless steel Cast iron High speed steel Carbon steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS