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 inversely proportional to rotor reactance at standstill Directly proportional to rotor resistance Inveresly proportional to supply voltage None of the listed here inversely proportional to rotor reactance at standstill Directly proportional to rotor resistance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage rotor, the bars are not placed parallel to the shaft but are skewed to have ______ Greater mechanical strength None of the listed here Uniform torque Less rotor losses Greater mechanical strength None of the listed here Uniform torque Less rotor losses ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The term cogging is associated with Compound generators Induction motors Dc series motors Three phase transformer Compound generators Induction motors Dc series motors Three phase transformer ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3 phase induction motor is running at a slip S, then approximate efficiency of the motor is ______ 1-S None of the listed here 1+S S-1 1-S None of the listed here 1+S S-1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ None of the listed here Increasing rotor resistance Increasing rotor reactance Decreasing rotor resistance None of the listed here Increasing rotor resistance Increasing rotor reactance Decreasing rotor resistance 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. Two times Four times None of the listed here Equal to Two times Four times None of the listed here Equal to ANSWER DOWNLOAD EXAMIANS APP
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