Three Phase Induction Motors The term cogging is associated with Induction motors Compound generators Three phase transformer Dc series motors Induction motors Compound generators Three phase transformer Dc series motors ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 80 to 90% 95 to 98 % 60 to 90% 99% 80 to 90% 95 to 98 % 60 to 90% 99% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ Provides high starting torque Has simple and rugged construction Provides fine speed control None of the listed here Provides high starting torque Has simple and rugged construction Provides fine speed control None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ None of the listed here Decreased at starting Increased under running conditions Increased at starting None of the listed here Decreased at starting Increased under running conditions Increased at starting ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage induction motor, the number of rotor bars is generally ________ Prime number Even number Equal to stator poles None of the listed here Prime number Even number Equal to stator poles None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip rings are usually made of Phospor bronze Carbon Aluminium Copper Phospor bronze Carbon Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP