Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 95 to 98 % 99% 80 to 90% 60 to 90% 95 to 98 % 99% 80 to 90% 60 to 90% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In induction motor, percentage slip depends on Copper losses in motor None of these Supply voltage Supply frequency Copper losses in motor None of these Supply voltage Supply frequency ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shape of the torque/slip curve of induction motor is Parabola Hyperbola Rectangular parabola Straight line Parabola Hyperbola Rectangular parabola Straight line ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of an induction motor runs at Synchronous speed Any of the above Above synchronous speed Below synchronous speed Synchronous speed Any of the above Above synchronous speed Below synchronous speed 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. Four times Equal to Two times None of the listed here Four times Equal to Two times None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is Non self starting Self starting with low torque Self starting with zero torque Self starting with high torque Non self starting Self starting with low torque Self starting with zero torque Self starting with high torque ANSWER DOWNLOAD EXAMIANS APP
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