Three Phase Induction Motors The crawling in an induction motor is caused by Improper design of machine Low voltage supply High loads Harmonics developed in the rotor Improper design of machine Low voltage supply High loads Harmonics developed in the rotor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of induction motor Always revolves in the direction opposite to stator flux Insufficient data None of the listed here Always revolves in the direction of stator flux Always revolves in the direction opposite to stator flux Insufficient data None of the listed here Always revolves in the direction of stator flux 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. 15 to 20 % 5% 10 to 15% 30 to 50% 15 to 20 % 5% 10 to 15% 30 to 50% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor if air gap increased The power factor will be low Copper loss will reduce Bearing friction will reduce Windage losses will be more The power factor will be low Copper loss will reduce Bearing friction will reduce Windage losses will be more ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The reactance of the rotor circuit of a 3-phase induction motor is maximum at Half full load Full load Starting No load Half full load Full load Starting No load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Which of the following component is usually fabricated out of silicon steel? Shaft Bearings None of these Stator core Shaft Bearings None of these Stator core ANSWER DOWNLOAD EXAMIANS APP