Three Phase Induction Motors An induction motor is so called because its operation depends on Hysteresis Eddy currents Mutual induction Self induction Hysteresis Eddy currents Mutual induction Self induction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in terms of Both squirrel cage and slip ring None of the listed here Slip ring induction motor Squirrel cage induction motor Both squirrel cage and slip ring None of the listed here Slip ring induction motor Squirrel cage induction motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The 3- phase induction motor is so designed that the rotor should have ______ under running conditions. Low resistance high resistance Large slip High reactance Low resistance high resistance Large slip High reactance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed in the cage induction motor with auto-starter is K × torque with direct switching k2/torque with direct switching k/torque with direct switching K2 × torque with direct switching K × torque with direct switching k2/torque with direct switching k/torque with direct switching K2 × torque with direct switching ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The approximate efficiency of a 3-phase , 50 Hz, 4 pole induction motor running at 1350 rpm is ______ 65% None of the listed here 90% 40% 65% None of the listed here 90% 40% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 4 pole induction motor has a synchronous speed of 1500 rpm, then supply frequency is _____ 25 Hz None of the listed here 60 Hz 50 Hz 25 Hz None of the listed here 60 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
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