Three Phase Induction Motors The condition of induction motor at no 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 An induction motor with 1000 r.p.m. speed will have 8 poles 4 poles 2 poles 6 poles 8 poles 4 poles 2 poles 6 poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel cage induction motor is changed by Pole changing None of the listed here Cascade control Rheostatic control Pole changing None of the listed here Cascade control Rheostatic control ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by Using DOL starter Having number of rotor slots more or less than the number of stator slots Auto transformer starter Proper ventilation Using DOL starter Having number of rotor slots more or less than the number of stator slots Auto transformer starter Proper ventilation 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 increased None of the listed here No load current is decreased Leakage reactances are decreased Leakage reactances are increased None of the listed here No load current is decreased Leakage reactances are decreased ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a squirrel cage induction motor is Low Slightly more than full load torque Negligible Same as full load torque Low Slightly more than full load torque Negligible Same as full load torque ANSWER DOWNLOAD EXAMIANS APP
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