Three Phase Induction Motors Very large 3-phase induction motors (greater than 25 HP) are started _____ Star-delta starting Direct on line By auto transformer starting None of the listed here Star-delta starting Direct on line By auto transformer starting 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 Decreased four times Increased four times Decreased two times Increased two times Decreased four times Increased four times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The advantage of wound rotor motor is that _______ None of the listed here It is inexpensive It requires less maintenance External resistance can be inserted in the rotor circuit None of the listed here It is inexpensive It requires less maintenance External resistance can be inserted in the rotor circuit ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage induction motor, the number of rotor bars is generally ________ Equal to stator poles Even number None of the listed here Prime number Equal to stator poles Even number None of the listed here Prime number ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor on load resemble those of a transformer whose secondady is _______ Open circuited Short circuited None of the listed here Supplying a variable resistive load Open circuited Short circuited None of the listed here Supplying a variable resistive load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is so called because its operation depends on Mutual induction Eddy currents Hysteresis Self induction Mutual induction Eddy currents Hysteresis Self induction ANSWER DOWNLOAD EXAMIANS APP
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