Three Phase Induction Motors An induction motor is Self starting with low torque Self starting with high torque Non self starting Self starting with zero torque Self starting with low torque Self starting with high torque Non self starting Self starting with zero torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The air gap between stator and rotor of 3-phase induction motor ranges from ______ 0.4 mm to 4 mm 2 cm to 4 cm 4 cm to 6 cm 1 cm to 2 cm 0.4 mm to 4 mm 2 cm to 4 cm 4 cm to 6 cm 1 cm to 2 cm 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 High starting torque is required Less costly motor is not required Speed control is required High rotor resistance is required during running High starting torque is required Less costly motor is not required Speed control is required ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip rings are usually made of Aluminium Phospor bronze Carbon Copper Aluminium Phospor bronze Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The good power factor of an induction motor can be achieved if the average flux density in the air gap is Large Absent Small Infinity Large Absent Small Infinity ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor with 1000 r.p.m. speed will have 6 poles 4 poles 2 poles 8 poles 6 poles 4 poles 2 poles 8 poles ANSWER DOWNLOAD EXAMIANS APP