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 When the rotor of a 3-phase induction motor is blocked, the slip is _____ 0.1 0.5 0 1 0.1 0.5 0 1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ Less costly motor is not required High starting torque is required High rotor resistance is required during running Speed control is required Less costly motor is not required High starting torque is required High rotor resistance is required during running Speed control is required 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 _____ 25 Hz None of the listed here 50 Hz 60 Hz 25 Hz None of the listed here 50 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The reactance of the rotor circuit of a 3-phase induction motor is maximum at Full load Half full load No load Starting Full load Half full load No load Starting ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor winding of a 3phase wound rotor induction motor is generally _______ connected. None of the listed here Delta Partly star and partly delta Star None of the listed here Delta Partly star and partly delta Star ANSWER DOWNLOAD EXAMIANS APP