Three Phase Induction Motors The torque developed in the cage induction motor with auto-starter is 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 k2/torque with direct switching ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The 3- phase induction motor is so designed that the rotor should have ______ under running conditions. High reactance Low resistance Large slip high resistance High reactance Low resistance Large slip high resistance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The crawling in an induction motor is caused by High loads Improper design of machine Harmonics developed in the rotor Low voltage supply High loads Improper design of machine Harmonics developed in the rotor Low voltage supply ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor on load resemble those of a transformer whose secondady is _______ None of the listed here Short circuited Supplying a variable resistive load Open circuited None of the listed here Short circuited Supplying a variable resistive load Open circuited ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When a 3-phase induction motor is at no load, the slip is ______ 1 0.2 0.5 Practically zero 1 0.2 0.5 Practically zero ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip rings are usually made of Carbon Copper Aluminium Phospor bronze Carbon Copper Aluminium Phospor bronze ANSWER DOWNLOAD EXAMIANS APP
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