Hamad Polyphase Induction Motors 30/07/2020 A. sR2X2 = 1 B. sR2 = X2 C. R2 = sX2 D. R2 = s2X2 Related Mcqs: The auto-starters (using three auto transformers) can be used to start cage induction motor of the following type__________?A. star connected only B. delta connected only C. A. and B. both D. none of the above... If an induction motor with certain ratio of rotor to stator slots, runs at 1/7 of the normal speed, the phenomenon will be termed as____________?A. humming B. hunting C. crawling D. cogging... The shape of the torque/slip curve of induction motor is__________?A. parabola B. hyperbola C. rectangular parabola D. straigth line... The stating torque of the slip ring induction motor can be increased by adding__________?A. external inductance to the rotor B. external resistance to the rotor C. external capacitance to the rotor D. both resistance and inductance to rotor... In induction motor, percentage slip depends on__________?A. supply frequency B. supply voltage C. copper losses in motor D. none of the above...
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