Three Phase Induction Motors A 3 phase induction motor is running at 2% slip. If the input to rotor is 1000 W, then mechanical power developed by the motor is _______ 20 W 200 W 980 W 500 W 20 W 200 W 980 W 500 W ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If any two phases for an induction motor are interchanged The motor will run in reverse direction The motor will burn The motor will not run The motor will run at reduced speed The motor will run in reverse direction The motor will burn The motor will not run The motor will run at reduced speed ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The reactance of the rotor circuit of a 3-phase induction motor is maximum at Full load Starting No load Half full load Full load Starting No load Half full load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The advantage of wound rotor motor is that _______ It is inexpensive None of the listed here External resistance can be inserted in the rotor circuit It requires less maintenance It is inexpensive None of the listed here External resistance can be inserted in the rotor circuit It requires less maintenance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel-cage induction motor can be controlled by all of the following except Changing winding resistance Changing number of poles Reducing supply voltage Changing supply frequency Changing winding resistance Changing number of poles Reducing supply voltage Changing supply frequency ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in case of Both (A) and (B) Slip ring induction motor None of these Squirrel cage induction motor Both (A) and (B) Slip ring induction motor None of these Squirrel cage induction motor ANSWER DOWNLOAD EXAMIANS APP
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