Electrical Machines When pure inductive load is connected to the alternator, what is the effect of armature reaction? Demagnetization Magnetization Cross magnetization None of these Demagnetization Magnetization Cross magnetization None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature of DC machine is made of non-ferrous material. conducting material. insulating material. silicon steel. non-ferrous material. conducting material. insulating material. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the frequency of input voltage of a transformer is increased keeping the magnitude of voltage unchanged, then Ph will decrease but Pe will remain same Pe will increase but Ph will decrease both hysteresis loss(Ph) and eddy current loss(Pe) will increase Ph will increase but Pe will decrease Ph will decrease but Pe will remain same Pe will increase but Ph will decrease both hysteresis loss(Ph) and eddy current loss(Pe) will increase Ph will increase but Pe will decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a Dc generator the magnetic neutral axis coincide with geometrical neutral axis, when the generator runs on designed speed. the generator runs on full load. the generator runs on overload. there is no load on the generator. the generator runs on designed speed. the generator runs on full load. the generator runs on overload. there is no load on the generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Wave winding is prefered for which of the following rating? high current and low voltage high current and high voltage low current and low voltage low current and high voltage high current and low voltage high current and high voltage low current and low voltage low current and high voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Saving of copper in auto transformer is increased as compared to two winding transformer, when transformation ratio K approaches to two. infinity. unity. zero. two. infinity. unity. zero. ANSWER DOWNLOAD EXAMIANS APP
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