Three Phase Induction Motors An induction motor is Self starting with low torque Self starting with zero torque Non self starting Self starting with high torque Self starting with low torque Self starting with zero torque Non self starting Self starting with high torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a 3 phase induction motor, the rotor speed is _____ the synchronous speed. None of the listed here Smaller than Equal to Greater than None of the listed here Smaller than Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 60 to 90% 80 to 90% 95 to 98 % 99% 60 to 90% 80 to 90% 95 to 98 % 99% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3-phase induction motor is running at slip S, then rotor copper loss is equal to (1+S) × rotor input S × rotor input (1-S) × rotor input None of the listed here (1+S) × rotor input S × rotor input (1-S) × rotor input None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors As load on an induction motor goes on increasing 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 Its power factor goes on decreasing ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ None of the listed here Increased under running conditions Decreased at starting Increased at starting None of the listed here Increased under running conditions Decreased at starting Increased at starting ANSWER DOWNLOAD EXAMIANS APP