Three Phase Induction Motors If an induction motor is running at slip S, then rotor output is ______ S × rotor input (1-S) × rotor input (1+S) × rotor input (S-1) × rotor input S × rotor input (1-S) × rotor input (1+S) × rotor input (S-1) × rotor input ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The crawling in an induction motor is caused by Improper design of machine Low voltage supply Harmonics developed in the rotor High loads Improper design of machine Low voltage supply Harmonics developed in the rotor High loads 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 four times Increased two times Decreased four times Decreased two times Increased four times Increased two times Decreased four times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in terms of Slip ring induction motor None of the listed here Both squirrel cage and slip ring Squirrel cage induction motor Slip ring induction motor None of the listed here Both squirrel cage and slip ring Squirrel cage induction motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor at no load resemble those of a transformer whose secondady is _______ Short-circuited Open circuited Supplying a variable resistive load None of the listed here Short-circuited Open circuited Supplying a variable resistive load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The advantage of wound rotor motor is that _______ External resistance can be inserted in the rotor circuit It requires less maintenance None of the listed here It is inexpensive External resistance can be inserted in the rotor circuit It requires less maintenance None of the listed here It is inexpensive ANSWER DOWNLOAD EXAMIANS APP
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