Electrical Machines In case of 3 - Φ IM, plugging means locking of rotor due to harmonics. pulling the motor directly on line without a rotor. interchanging two supply phases for quick stopping. starting the motor on load which is more than the rated load. locking of rotor due to harmonics. pulling the motor directly on line without a rotor. interchanging two supply phases for quick stopping. starting the motor on load which is more than the rated load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine is a both are correct. conduction machine. convection machine. none of above are correct. both are correct. conduction machine. convection machine. none of above are correct. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip exists in induction motor. synchronous motor. in both machines. none of above. induction motor. synchronous motor. in both machines. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power input to a 3 - φ induction motor is 60 kW and stator loss is 1 kW the rotor cu loss per phase is slip X 50 / 3. slip X 69 / 3. 1. slip X 59 / 3. slip X 50 / 3. slip X 69 / 3. 1. slip X 59 / 3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To avoid formation of grooves in the commutator the brushes of same polarity should track each other. the brushes of opposite polarity should track each other. None of these brush position has no effect on the commutator grooving. the brushes of same polarity should track each other. the brushes of opposite polarity should track each other. None of these brush position has no effect on the commutator grooving. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous motor the torque is proportional to P² 1/P Power P 1/P² P² 1/P Power P 1/P² ANSWER DOWNLOAD EXAMIANS APP
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