Three Phase Induction Motors If any two phases for an induction motor are interchanged The motor will run at reduced speed The motor will not run The motor will burn The motor will run in reverse direction The motor will run at reduced speed The motor will not run The motor will burn The motor will run in reverse direction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ Decreasing rotor resistance None of the listed here Increasing rotor reactance Increasing rotor resistance Decreasing rotor resistance None of the listed here Increasing rotor reactance Increasing rotor resistance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At no load the rotor core loss of a 3 phase induction motor is Practically zero Large None of the listed here Small Practically zero Large None of the listed here Small ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ 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 High starting torque is required 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 The starting torque of a 3-phase induction motor is _______ supply voltage. None of the listed here Directly proportional to sqaure of Independent of Directly proportional to None of the listed here Directly proportional to sqaure of Independent of Directly proportional to ANSWER DOWNLOAD EXAMIANS APP