Electrical Machines Normally for the design of transformer the ambient temperature is taken as 45°C. 32°C. 35°C. 27°C. 45°C. 32°C. 35°C. 27°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines, the interpoles are provided to counteract demagnetizing effect of armature mmf in commutating zone. to counteract the reactance voltage and the cross-magnetizi both (B) and (C). to make commutation spark less. to counteract demagnetizing effect of armature mmf in commutating zone. to counteract the reactance voltage and the cross-magnetizi both (B) and (C). to make commutation spark less. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines shape of net flux density is? sine wave flat tapped or trapezoidal peaky in nature saddle shape sine wave flat tapped or trapezoidal peaky in nature saddle shape ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as A resistor. A capacitor. None of these. an inductor. A resistor. A capacitor. None of these. an inductor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is expensive for same Kw output rates? Induction motor. AC single phase motor. DC Shunt Motor Synchronous motor. Induction motor. AC single phase motor. DC Shunt Motor Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip exists in induction motor. in both machines. synchronous motor. none of above. induction motor. in both machines. synchronous motor. none of above. ANSWER DOWNLOAD EXAMIANS APP