Electrical Machines The constant losses in transformer is/are copper loss. both 2 and 3. hysteresis loss. eddy current loss. copper loss. both 2 and 3. hysteresis loss. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Sparkless commutation can be achieved by employing any one or more of the above methods. inter poles. compensating winding. high resistance carbon brushes. any one or more of the above methods. inter poles. compensating winding. high resistance carbon brushes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slot edges in a DC machine are made of Fibre. Mild steel. Cast iron. Silicon steel. Fibre. Mild steel. Cast iron. Silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ? Copper loss both 1 and 2 windage and friction loss core loss only Copper loss both 1 and 2 windage and friction loss core loss only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following will vary the maximum torque? None of these rotor reactance X rotor resistance R both 1 and 2 None of these rotor reactance X rotor resistance R both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In single phase rotary converter the number of slip rings will be two. six. four. three. two. six. four. three. ANSWER DOWNLOAD EXAMIANS APP