Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is unity zero lagging leading unity zero lagging leading ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the advantages of carbon brush over the copper brush? All of these In case of any sparking they will be less damaged than copper brushes They are self lubricating in nature They are not hard as copper brush All of these In case of any sparking they will be less damaged than copper brushes They are self lubricating in nature They are not hard as copper brush ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space distribution of air-gap flux density wave at no load is co- sinusoidal flat-topped rectangular sinusoidal co- sinusoidal flat-topped rectangular sinusoidal ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Normally for the design of transformer the ambient temperature is taken as 45°C. 27°C. 35°C. 32°C. 45°C. 27°C. 35°C. 32°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of starting torque. speed regulation. running torque. efficiency. starting torque. speed regulation. running torque. efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following starter is sufficient to start the DC series motor ? 2 point starter 3 point starter 4 point starter All of these 2 point starter 3 point starter 4 point starter All of these ANSWER DOWNLOAD EXAMIANS APP
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