Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1/S 1/(1-S) S 1-S 1/S 1/(1-S) S 1-S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dummy coils are used for mechanical balancing. reducing armature reaction. increasing efficiency. All of these mechanical balancing. reducing armature reaction. increasing efficiency. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breather is provided in a transformer to filter the transformer oil. absorb moisture from air entering in transformer. absorb moisture of air during breathing. provide cold air in transformer. filter the transformer oil. absorb moisture from air entering in transformer. absorb moisture of air during breathing. provide cold air in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Silicon content in steel lamination is kept within 5% as it Increases cost. makes the material brittle. All of these increases hysteresis loss. Increases cost. makes the material brittle. All of these increases hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC generator used for arc welding purpose is a cumulatively compounded generator shunt generator differentially compounded generator series generator cumulatively compounded generator shunt generator differentially compounded generator series generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements are correct ? The leakage reactance of the induction motor should be small. None of these A small value of leakage reactance will increase the maximum power output of motor. Both 1 and 2. The leakage reactance of the induction motor should be small. None of these A small value of leakage reactance will increase the maximum power output of motor. Both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS