Three Phase Induction Motors In an induction motor the relationship between stator slots and rotor slots is that 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 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ Less costly motor is not required High starting torque is required High rotor resistance is required during running Speed control is required Less costly motor is not required High starting torque is required High rotor resistance is required during running Speed control is required ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shape of the torque/slip curve of induction motor is Hyperbola Rectangular parabola Parabola Straight line Hyperbola Rectangular parabola Parabola Straight line ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The full load slip of a 3-phase induction motor ranges from None of the listed here 10 to 20 % 2 to 5 % 20 to 30 % None of the listed here 10 to 20 % 2 to 5 % 20 to 30 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The air gap between stator and rotor of 3-phase induction motor ranges from ______ 2 cm to 4 cm 0.4 mm to 4 mm 1 cm to 2 cm 4 cm to 6 cm 2 cm to 4 cm 0.4 mm to 4 mm 1 cm to 2 cm 4 cm to 6 cm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Insertion of resistance in the rotor of an induction motor to develop a given torque Decreases the rotor current Increases the rotor current Rotor current becomes zero Rotor current remains same Decreases the rotor current Increases the rotor current Rotor current becomes zero Rotor current remains same ANSWER DOWNLOAD EXAMIANS APP