Electrical Machines Slip speed is the half of the sum of synchronous and rotor speeds. difference of synchronous speed and actual rotor speed. difference of actual rotor speed and synchronous speed. sum of synchronous and rotor speeds. half of the sum of synchronous and rotor speeds. difference of synchronous speed and actual rotor speed. difference of actual rotor speed and synchronous speed. sum of synchronous and rotor speeds. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the highest possible speed of turbo alternators? 1500 rpm 1000 rpm 3000 rpm 4000 rpm 1500 rpm 1000 rpm 3000 rpm 4000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Select the motor that should not be started on no load? Brushless DC motor. Series motor. Shunt motor. Compound motor. Brushless DC motor. Series motor. Shunt motor. Compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are the starters used for starting of cage motors? DOL starter. Star-delta starter. Auto transformer starter. All of these. DOL starter. Star-delta starter. Auto transformer starter. All of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The interpoles in dc machines have a tapering shape in order to reduce the saturation in the interpole economise on the material required for interpoles and their windings reduce the overall weight increase the acceleration of commutation reduce the saturation in the interpole economise on the material required for interpoles and their windings reduce the overall weight increase the acceleration of commutation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines During no load test, an induction motor draws power for core loss and windage and friction loss. only for the small copper loss. for copper loss and windage friction loss. for core loss and copper loss. for core loss and windage and friction loss. only for the small copper loss. for copper loss and windage friction loss. for core loss and copper loss. ANSWER DOWNLOAD EXAMIANS APP
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