Three Phase Induction Motors In medium sized induction motor, the slip is generally around 0.4 % 0.04 % 14% 4 % 0.4 % 0.04 % 14% 4 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor winding of a 3phase wound rotor induction motor is generally _______ connected. None of the listed here Star Partly star and partly delta Delta None of the listed here Star Partly star and partly delta Delta ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ Increasing rotor resistance None of the listed here Decreasing rotor resistance Increasing rotor reactance Increasing rotor resistance None of the listed here Decreasing rotor resistance Increasing rotor reactance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 3-phase wound rotor morors are also called _____ motors. Commutator Synchronous Series Slip ring Commutator Synchronous Series Slip ring 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 ______ 40% None of the listed here 65% 90% 40% None of the listed here 65% 90% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ Has simple and rugged construction Provides fine speed control None of the listed here Provides high starting torque Has simple and rugged construction Provides fine speed control None of the listed here Provides high starting torque ANSWER DOWNLOAD EXAMIANS APP
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