Three Phase Induction Motors In a 3 phase induction motor, the rotor speed is _____ the synchronous speed. Greater than None of the listed here Equal to Smaller than Greater than None of the listed here Equal to Smaller than ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The maximum torque of a 3-phase induction motor under running conditions is Inveresly proportional to supply voltage inversely proportional to rotor reactance at standstill None of the listed here Directly proportional to rotor resistance Inveresly proportional to supply voltage inversely proportional to rotor reactance at standstill None of the listed here Directly proportional to rotor resistance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase induction motor is running at 2% slip. If the input to rotor is 1000 W, then mechanical power developed by the motor is _______ 20 W 980 W 200 W 500 W 20 W 980 W 200 W 500 W ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is so called because its operation depends on Eddy currents Mutual induction Self induction Hysteresis Eddy currents Mutual induction Self induction Hysteresis 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 _______ Increased two times Increased four times Decreased four times Decreased two times Increased two times Increased four times Decreased four times Decreased two times ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ Provides fine speed control Has simple and rugged construction Provides high starting torque None of the listed here Provides fine speed control Has simple and rugged construction Provides high starting torque None of the listed here ANSWER DOWNLOAD EXAMIANS APP