Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ Speed control is required High rotor resistance is required during running Less costly motor is not required High starting torque is required Speed control is required High rotor resistance is required during running Less costly motor is not required High starting torque is required ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The term cogging is associated with Three phase transformer Compound generators Induction motors Dc series motors Three phase transformer Compound generators Induction motors Dc series motors ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At no load the rotor core loss of a 3 phase induction motor is None of the listed here Practically zero Small Large None of the listed here Practically zero Small Large ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The approximate efficiency of a 3-phase , 50 Hz, 4 pole induction motor running at 1350 rpm is ______ 40% 65% 90% None of the listed here 40% 65% 90% None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In the circle diagram for induction motor, the diameter of the circle represents Running torque Slip Line voltage Rotor current Running torque Slip Line voltage Rotor current ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3-phase induction motor is running at slip S, then rotor copper loss is equal to (1+S) × rotor input None of the listed here (1-S) × rotor input S × rotor input (1+S) × rotor input None of the listed here (1-S) × rotor input S × rotor input ANSWER DOWNLOAD EXAMIANS APP
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