Three Phase Induction Motors When a 3-phase induction motor is at no load, the slip is ______ 0.5 0.2 1 Practically zero 0.5 0.2 1 Practically zero ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The term cogging is associated with Induction motors Three phase transformer Compound generators Dc series motors Induction motors Three phase transformer Compound generators Dc series motors 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 Star-delta starting By auto transformer starting Direct on line None of the listed here Star-delta starting By auto transformer starting Direct on line 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. 10 to 15% 30 to 50% 15 to 20 % 5% 10 to 15% 30 to 50% 15 to 20 % 5% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In medium sized induction motor, the slip is generally around 4 % 0.04 % 14% 0.4 % 4 % 0.04 % 14% 0.4 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by Using DOL starter Proper ventilation Having number of rotor slots more or less than the number of stator slots Auto transformer starter Using DOL starter Proper ventilation Having number of rotor slots more or less than the number of stator slots Auto transformer starter ANSWER DOWNLOAD EXAMIANS APP