Electrical Machines The rotor slots are slightly skewed in squirrel cage induction motor to decrease the amount of copper to be used. increase the strength of rotor bars. provide ease of fabrication. reduce the magnetic hum and locking tendency of rotor. decrease the amount of copper to be used. increase the strength of rotor bars. provide ease of fabrication. reduce the magnetic hum and locking tendency of rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stray losses in transformer occurs in winding conductors and steel structures of transformer. steel core. transformer insulating oil. paper insulation in transformers. winding conductors and steel structures of transformer. steel core. transformer insulating oil. paper insulation in transformers. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two mechanically coupled alternators deliver power at 50 Hz and 60 Hz respectively. The highest speed of the alternators is 500 rpm. 3600 rpm. 600 rpm. 3000 rpm. 500 rpm. 3600 rpm. 600 rpm. 3000 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1-S S 1/(1-S) 1/S 1-S S 1/(1-S) 1/S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under leading pole tips in case of generator will None of these increase decrease either increase or decrease None of these increase decrease either increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control is provides speed control In both direction. Below rated speed. Above rated speed. In one direction only. In both direction. Below rated speed. Above rated speed. In one direction only. ANSWER DOWNLOAD EXAMIANS APP
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