Three Phase Induction Motors One of the speeds of a 2 speed squirrel cage induction motor is 800 rpm. The other speed will be _____ 1600 rpm 400 rpm 1200 rpm 2400 rpm 1600 rpm 400 rpm 1200 rpm 2400 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed in the cage induction motor with auto-starter is k2/torque with direct switching K × torque with direct switching k/torque with direct switching K2 × torque with direct switching k2/torque with direct switching K × torque with direct switching k/torque with direct switching K2 × torque with direct switching ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 600 rpm 1000 rpm 1200 rpm 300 rpm 600 rpm 1000 rpm 1200 rpm 300 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The advantage of wound rotor motor is that _______ It requires less maintenance None of the listed here External resistance can be inserted in the rotor circuit It is inexpensive It requires less maintenance None of the listed here External resistance can be inserted in the rotor circuit It is inexpensive ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The 3- phase induction motor is so designed that the rotor should have ______ under running conditions. Large slip High reactance Low resistance high resistance Large slip High reactance Low resistance high resistance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed ______ Is decreased None of the listed here Is increased Remains unchanged Is decreased None of the listed here Is increased Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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