Three Phase Induction Motors In an induction motor the relationship between stator slots and rotor slots is that None of the listed here Stator slots are exact multiple of rotor slots Stator slots are equal to rotor slots Stator slots are not exact multiple of rotor slots None of the listed here Stator slots are exact multiple of rotor slots Stator slots are equal to rotor slots Stator slots are not exact multiple of rotor slots ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The magnetising current drawn by a 3 phase induction motor is about _______ of full load stator current. 10 to 15% 30 to 50% 5% 15 to 20 % 10 to 15% 30 to 50% 5% 15 to 20 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 1 0.1 0.5 0 1 0.1 0.5 0 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For higher efficiency of 3-phase induction motor, the slip should be As small as possible 1 Large Very large As small as possible 1 Large Very large ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of an induction motor is maximum when rotor resistance per phase is _____ rotor reactance / phase. Equal to None of the listed here Two times Four times Equal to None of the listed here Two times Four times 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 200 W 980 W 500 W 20 W 200 W 980 W 500 W ANSWER DOWNLOAD EXAMIANS APP
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