Electrical Machines Voltage regulation of transformer is given by (V2 - E2) / E2 (E2 - V2) / E2 (V2 - E2) / V2 (E2 - V2) / V2 (V2 - E2) / E2 (E2 - V2) / E2 (V2 - E2) / V2 (E2 - V2) / V2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The use of higher flux density in the transformer design reduces the weigh per KVA None of these increases the weigh per KVA has no relation with the weight of transformer reduces the weigh per KVA None of these increases the weigh per KVA has no relation with the weight of transformer ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC generator will not build up voltage if field resistance is more than critical resistance. if it has lost residual magnetism. due to wrong direction of rotation. any one of above. if field resistance is more than critical resistance. if it has lost residual magnetism. due to wrong direction of rotation. any one of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The coil spam must be exactly equal to people pitch. may or may not be exactly equal to people pitch. none of above. can never be equal to pole pitch. must be exactly equal to people pitch. may or may not be exactly equal to people pitch. none of above. can never be equal to pole pitch. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Normally for the design of transformer the ambient temperature is taken as 32°C. 35°C. 45°C. 27°C. 32°C. 35°C. 45°C. 27°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer operating at constant voltage if the input frequency increases, the core loss None of these remains constant. decrease. increase. None of these remains constant. decrease. increase. ANSWER DOWNLOAD EXAMIANS APP
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