Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1-S 1/(1-S) 1/S S 1-S 1/(1-S) 1/S S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If in DC Shunt Motor the flux is reduced suddenly to zero, then the armature current will reduce. the speed of motor will be reduced. the motor will attain dangerously high speed. the motor will come to stop. the armature current will reduce. the speed of motor will be reduced. the motor will attain dangerously high speed. the motor will come to stop. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For satisfactory performance of 3-phase 480V, 60 Hz induction motor, the supply voltage at 50 Hz should be equal to 420 V. 480 V. 350 V. 400 V. 420 V. 480 V. 350 V. 400 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Skewing of cage rotors offers the following advantages all of below. uniform torque. locking tendency is reduced. less noise. all of below. uniform torque. locking tendency is reduced. less noise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low current rating which winding is employed to DC machine? Both lap and wave winding Wave winding None of above Lap winding Both lap and wave winding Wave winding None of above Lap winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging and crawling are phenomena associated with cage induction machines and they are essentially the same. the former at a fraction of its rate speed and the latter during starting. any of the above. the former during starting and the latter at a fraction of its rated speed. cage induction machines and they are essentially the same. the former at a fraction of its rate speed and the latter during starting. any of the above. the former during starting and the latter at a fraction of its rated speed. ANSWER DOWNLOAD EXAMIANS APP
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