Three Phase Induction Motors One of the speeds of a 2 speed squirrel cage induction motor is 800 rpm. The other speed will be _____ 1600 rpm 400 rpm 1200 rpm 2400 rpm 1600 rpm 400 rpm 1200 rpm 2400 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in case of Slip ring induction motor Squirrel cage induction motor None of these Both (A) and (B) Slip ring induction motor Squirrel cage induction motor None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor on load resemble those of a transformer whose secondady is _______ Supplying a variable resistive load None of the listed here Open circuited Short circuited Supplying a variable resistive load None of the listed here Open circuited Short circuited ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The power factor of an induction motor under no load conditions will be closer to 0.2 leading Unity 0.5 leading 0.2 lagging 0.2 leading Unity 0.5 leading 0.2 lagging ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The air gap between stator and rotor of 3-phase induction motor ranges from ______ 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 4 cm to 6 cm 0.4 mm to 4 mm 2 cm to 4 cm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Very large 3-phase induction motors (greater than 25 HP) are started _____ None of the listed here By auto transformer starting Direct on line Star-delta starting None of the listed here By auto transformer starting Direct on line Star-delta starting ANSWER DOWNLOAD EXAMIANS APP