Three Phase Induction Motors The term cogging is associated with Three phase transformer Dc series motors Induction motors Compound generators Three phase transformer Dc series motors Induction motors Compound generators ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor at no load resemble those of a transformer whose secondady is _______ None of the listed here Short-circuited Supplying a variable resistive load Open circuited None of the listed here Short-circuited Supplying a variable resistive load Open circuited 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 A four speed squirrel cage induction motor uses______ stator windings. Two Three One Four Two Three One Four ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip of an induction motor is negative when Rotor speed is more than the synchronous speed of the field and are in the same direction None of these Rotor speed is less than the synchronous speed of the field and are in the same direction Magnetic field and rotor rotate in opposite direction Rotor speed is more than the synchronous speed of the field and are in the same direction None of these Rotor speed is less than the synchronous speed of the field and are in the same direction Magnetic field and rotor rotate in opposite direction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 60 to 90% 99% 80 to 90% 95 to 98 % 60 to 90% 99% 80 to 90% 95 to 98 % ANSWER DOWNLOAD EXAMIANS APP
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