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 increased Remains unchanged Is decreased None of the listed here Is increased Remains unchanged Is decreased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Size of a high speed motor as compared to low speed motor for the same HP will be Smaller Any of the listed here Same Bigger Smaller Any of the listed here Same Bigger ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip rings are usually made of Aluminium Phospor bronze Carbon Copper Aluminium Phospor bronze Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 0.5 1 0 0.1 0.5 1 0 0.1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of an induction motor runs at Synchronous speed Below synchronous speed Any of the above Above synchronous speed Synchronous speed Below synchronous speed Any of the above Above synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 5 H.P., 50Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest? 1440 rpm 1000 rpm 2880 rpm 730 rpm 1440 rpm 1000 rpm 2880 rpm 730 rpm ANSWER DOWNLOAD EXAMIANS APP
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