Three Phase Induction Motors If the supply voltage of a 3-phase induction motor is increased two times, then torque is _______ Increased four times Decreased two times Increased two times Decreased four times Increased four times Decreased two times Increased two times Decreased four times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The maximum torque of a 3-phase induction motor under running conditions is inversely proportional to rotor reactance at standstill Inveresly proportional to supply voltage None of the listed here Directly proportional to rotor resistance inversely proportional to rotor reactance at standstill Inveresly proportional to supply voltage None of the listed here Directly proportional to rotor resistance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel cage induction motor is changed by None of the listed here Pole changing Cascade control Rheostatic control None of the listed here Pole changing Cascade control Rheostatic control ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a 3 phase induction motor, the rotor speed is _____ the synchronous speed. Smaller than None of the listed here Greater than Equal to Smaller than None of the listed here Greater than Equal to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of induction motor is made of Flexible Hollow Any of the listed here Stiff Flexible Hollow Any of the listed here Stiff 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 _____ 50 Hz None of the listed here 25 Hz 60 Hz 50 Hz None of the listed here 25 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
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