Three Phase Induction Motors The advantage of wound rotor motor is that _______ It is inexpensive External resistance can be inserted in the rotor circuit None of the listed here It requires less maintenance It is inexpensive External resistance can be inserted in the rotor circuit None of the listed here It requires less maintenance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For the same kVA rating, the leakage flux in induction motor is _______ that of transformer. Less than More than About the same None of the listed here Less than More than About the same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The frequency of rotor current in a 6-pole , 50 Hz, 3-phase induction motor running at 950 rpm is 5 Hz 1.5 Hz 0.05 Hz 2.5 Hz 5 Hz 1.5 Hz 0.05 Hz 2.5 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a 3 phase induction motor, the rotor speed is _____ the synchronous speed. None of the listed here Greater than Smaller than Equal to None of the listed here Greater than Smaller than Equal to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The direction of rotation of field in a 3 phase induction motor depends upon _____ Supply frequency Phase sequence of supply voltage Number of poles Magnitude of supply voltage Supply frequency Phase sequence of supply voltage Number of poles Magnitude of supply voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For higher efficiency of 3-phase induction motor, the slip should be Very large 1 Large As small as possible Very large 1 Large As small as possible ANSWER DOWNLOAD EXAMIANS APP
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