Three Phase Induction Motors In the circle diagram for induction motor, the diameter of the circle represents Rotor current Line voltage Running torque Slip Rotor current Line voltage Running torque Slip ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The low power factor of induction motor is due to Rotor leakage reactance The reactive lagging magnetizing current necessary to generate the magnetic flux Stator reactance All of these Rotor leakage reactance The reactive lagging magnetizing current necessary to generate the magnetic flux Stator reactance All of these ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ High rotor resistance is required during running Speed control is required High starting torque is required Less costly motor is not required High rotor resistance is required during running Speed control is required High starting torque is required Less costly motor is not required ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of an induction motor runs at Any of the above Above synchronous speed Below synchronous speed Synchronous speed Any of the above Above synchronous speed Below synchronous speed Synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The injected e.m.f. in the rotor of induction motor must have The same phase as the rotor e.m.f. Zero frequency The same frequency as the slip frequency High value for the satisfactory speed control The same phase as the rotor e.m.f. Zero frequency The same frequency as the slip frequency High value for the satisfactory speed control ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor at stand still resemble those of a transformer whose secondady is _______ Short circuited None of the listed here Supplying a variable resistive load Open circuited Short circuited None of the listed here Supplying a variable resistive load Open circuited ANSWER DOWNLOAD EXAMIANS APP