Three Phase Induction Motors In an induction motor, no load the slip is generally 1.5 % 4% Less than 1% 2% 1.5 % 4% Less than 1% 2% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is so called because its operation depends on Self induction Mutual induction Eddy currents Hysteresis Self induction Mutual induction Eddy currents Hysteresis 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 The stator of a three phase induction motor produces _______ magnetic field. Steady Rotating None of the listed here Alternating Steady Rotating None of the listed here Alternating ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Very large 3-phase induction motors (greater than 25 HP) are started _____ By auto transformer starting Star-delta starting None of the listed here Direct on line By auto transformer starting Star-delta starting None of the listed here Direct on line ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 80 to 90% 60 to 90% 99% 95 to 98 % 80 to 90% 60 to 90% 99% 95 to 98 % ANSWER DOWNLOAD EXAMIANS APP