Electrical Machines The output voltage of a DC generator is E = V + IaRa. E = V – IaRa. E = V + Ia. E = V + Ra. E = V + IaRa. E = V – IaRa. E = V + Ia. E = V + Ra. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer both OC and SC tests are conducted on LV side OC test is conducted on LV side and SC test is conducted on HV side OC test is conducted on HV side and SC test is conducted on LV side both Oc and SC tests are conducted on HV side both OC and SC tests are conducted on LV side OC test is conducted on LV side and SC test is conducted on HV side OC test is conducted on HV side and SC test is conducted on LV side both Oc and SC tests are conducted on HV side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the necessary conditions for parallel operation of alternators? Both 1and 2 Terminal voltage is same Speed of alternators should be same Frequency should be same Both 1and 2 Terminal voltage is same Speed of alternators should be same Frequency should be same ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series booster is a permanent magnet DC generator. shunt wound DC generator. separately excited DC generator. series wound DC generator. permanent magnet DC generator. shunt wound DC generator. separately excited DC generator. series wound DC generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stray losses in transformer occurs in winding conductors and steel structures of transformer. steel core. transformer insulating oil. paper insulation in transformers. winding conductors and steel structures of transformer. steel core. transformer insulating oil. paper insulation in transformers. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is critical, the power factor of the alternator is leading power factor. unity power factor. lagging power factor. None of these leading power factor. unity power factor. lagging power factor. None of these ANSWER DOWNLOAD EXAMIANS APP
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