Electrical Machines In an auto transformer, for what value of turn ratio, power transferred by inductively and conductively are same? 0 any of the above 0.5 1 0 any of the above 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines stepped cores are used in transformers in order to reduce volume of copper. reluctance of core. volume of iron. iron loss. volume of copper. reluctance of core. volume of iron. iron loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under leading pole tips in case of generator will either increase or decrease increase None of these decrease either increase or decrease increase None of these decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the eddy current loss if the supply frequency of a transformer becomes double? Eight times. Remains same. Doubled. Four times. Eight times. Remains same. Doubled. Four times. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In double cage induction motor, the outer cage offers low resistance and low reactance. low resistance and high reactance. high resistance and low reactance. high resistance and high reactance. low resistance and low reactance. low resistance and high reactance. high resistance and low reactance. high resistance and high reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following, voltage regulation may be zero or negative lagging power factor All of these leading power factor unity power factor lagging power factor All of these leading power factor unity power factor ANSWER DOWNLOAD EXAMIANS APP
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