Three Phase Induction Motors Very large 3-phase induction motors (greater than 25 HP) are started _____ Direct on line 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 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The no load speed of an induction motor depends on Both supply frequency and number of poles The maximum flux/poles The number of its poles The supply frequency Both supply frequency and number of poles The maximum flux/poles The number of its poles The supply frequency ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors As load on an induction motor goes on increasing Its power factor goes on decreasing Its power factor goes on increasing even after full load Its power factor goes on increasing up to full load and then it falls again Its power factor remains constant Its power factor goes on decreasing Its power factor goes on increasing even after full load Its power factor goes on increasing up to full load and then it falls again Its power factor remains constant ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, no load the slip is generally 4% 2% 1.5 % Less than 1% 4% 2% 1.5 % Less than 1% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of induction motor Always revolves in the direction opposite to stator flux Always revolves in the direction of stator flux Insufficient data None of the listed here Always revolves in the direction opposite to stator flux Always revolves in the direction of stator flux Insufficient data None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the supply voltage of a 3-phase induction motor is increased two times, then torque is _______ Decreased two times Increased two times Increased four times Decreased four times Decreased two times Increased two times Increased four times Decreased four times ANSWER DOWNLOAD EXAMIANS APP
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