Three Phase Induction Motors The shaft of an induction motor is made of High speed steel Carbon steel Cast iron Stainless steel High speed steel Carbon steel Cast iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, no load the slip is generally 2% 4% Less than 1% 1.5 % 2% 4% Less than 1% 1.5 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The number of slip rings on a squirrel cage induction motor is usually None Two Three One None Two Three One 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 1 cm to 2 cm 2 cm to 4 cm 4 cm to 6 cm 0.4 mm to 4 mm 1 cm to 2 cm 2 cm to 4 cm 4 cm to 6 cm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 600 rpm 1000 rpm 1200 rpm 300 rpm 600 rpm 1000 rpm 1200 rpm 300 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in case of Slip ring induction motor None of these Both (A) and (B) Squirrel cage induction motor Slip ring induction motor None of these Both (A) and (B) Squirrel cage induction motor ANSWER DOWNLOAD EXAMIANS APP