Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. Directly proportional to Directly proportional to sqaure of Independent of None of the listed here Directly proportional to Directly proportional to sqaure of Independent of None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the air gap between the rotor and stator of a 3-phase induction motor is increased, then_______ Leakage reactances are decreased None of the listed here No load current is decreased Leakage reactances are increased Leakage reactances are decreased None of the listed here No load current is decreased Leakage reactances are increased 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 _______ 500 W 980 W 20 W 200 W 500 W 980 W 20 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ Increased under running conditions None of the listed here Decreased at starting Increased at starting Increased under running conditions None of the listed here Decreased at starting Increased at starting ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor on load resemble those of a transformer whose secondady is _______ Short circuited Open circuited None of the listed here Supplying a variable resistive load Short circuited Open circuited None of the listed here Supplying a variable resistive load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In induction motor, percentage slip depends on Supply frequency Copper losses in motor Supply voltage None of these Supply frequency Copper losses in motor Supply voltage None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS