Three Phase Induction Motors The starting torque of a squirrel cage induction motor is Same as full load torque Negligible Slightly more than full load torque Low Same as full load torque Negligible Slightly more than full load torque Low ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed by a 3 phase induction motor least depends on Rotor current Shaft diameter Rotor emf Rotor power factor Rotor current Shaft diameter Rotor emf Rotor power factor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In induction motor, percentage slip depends on Supply voltage Copper losses in motor Supply frequency None of these Supply voltage Copper losses in motor Supply frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ High starting torque is required High rotor resistance is required during running Less costly motor is not required Speed control is required High starting torque is required High rotor resistance is required during running Less costly motor is not required Speed control is required ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the supply voltage of a 3-phase induction motor is increased two times, then torque is _______ Increased two times Decreased four times Increased four times Decreased two times Increased two times Decreased four times Increased four times Decreased two times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The air gap between stator and rotor of 3-phase induction motor ranges from ______ 4 cm to 6 cm 0.4 mm to 4 mm 2 cm to 4 cm 1 cm to 2 cm 4 cm to 6 cm 0.4 mm to 4 mm 2 cm to 4 cm 1 cm to 2 cm ANSWER DOWNLOAD EXAMIANS APP