Three Phase Induction Motors The frame of an induction motor is usually made of Silicon steel Bronze Cast iron Aluminium Silicon steel Bronze Cast iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The advantage of wound rotor motor is that _______ 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 None of the listed here External resistance can be inserted in the rotor circuit ANSWER DOWNLOAD EXAMIANS APP
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 980 W 500 W 200 W 20 W 980 W 500 W 200 W 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 None of the listed here More than About the same Less than None of the listed here More than About the same ANSWER DOWNLOAD EXAMIANS APP
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 1200 rpm 1000 rpm 600 rpm 300 rpm 1200 rpm 1000 rpm 600 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For higher efficiency of 3-phase induction motor, the slip should be As small as possible Large 1 Very large As small as possible Large 1 Very large ANSWER DOWNLOAD EXAMIANS APP
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