Three Phase Induction Motors A 3 phase 440 v, 50 Hz induction motor has 4% slip. The frequency of rotor emf will be 2 Hz 50 Hz 20 Hz 200 Hz 2 Hz 50 Hz 20 Hz 200 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors One of the speeds of a 2 speed squirrel cage induction motor is 800 rpm. The other speed will be _____ 1200 rpm 2400 rpm 400 rpm 1600 rpm 1200 rpm 2400 rpm 400 rpm 1600 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage induction motor, the number of stator slots is _______ rotor slots. Always less than the number of Always eqaul to the number of Always greater than the number of Either more or less than the number of Always less than the number of Always eqaul to the number of Always greater than the number of Either more or less than the number of ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is so called because its operation depends on Self induction Mutual induction Eddy currents Hysteresis Self induction Mutual induction Eddy currents Hysteresis ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of an induction motor runs at Above synchronous speed Below synchronous speed Any of the above Synchronous speed Above synchronous speed Below synchronous speed Any of the above Synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The advantage of wound rotor motor is that _______ It requires less maintenance None of the listed here It is inexpensive External resistance can be inserted in the rotor circuit It requires less maintenance None of the listed here It is inexpensive External resistance can be inserted in the rotor circuit ANSWER DOWNLOAD EXAMIANS APP
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