Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 300 rpm 1000 rpm 1200 rpm 600 rpm 300 rpm 1000 rpm 1200 rpm 600 rpm 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 Bigger Same Smaller Any of the listed here Bigger Same Smaller Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of induction motor is made of Any of the listed here Hollow Flexible Stiff Any of the listed here Hollow Flexible Stiff ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Reduced voltage starter can be used with Squirrel cage induction motor only but not with slip ring motor None of these Slip ring motor only but not with squirrel cage induction motor Squirrel cage as well as slip ring induction motor Squirrel cage induction motor only but not with slip ring motor None of these Slip ring motor only but not with squirrel cage induction motor Squirrel cage as well as slip ring induction motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, the ratio of rotor cu loss and rotor input is given by S/1-S 1-S S 1/S S/1-S 1-S S 1/S ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The advantage of wound rotor motor is that _______ 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 It requires less maintenance ANSWER DOWNLOAD EXAMIANS APP
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