Transformers What is the approximate efficiency of large transformers? 85% 75% 95 % 65% 85% 75% 95 % 65% ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer having ratings less than 5kVA are generally ______ Oil cooled Water cooled None of the listed here Natural air cooled Oil cooled Water cooled None of the listed here Natural air cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Conservator Exciter Breather Buchholz relay Conservator Exciter Breather Buchholz relay ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? None of the listed here Air cooled Water cooled Oil cooled None of the listed here Air cooled Water cooled Oil cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be saturation of core fluctuating load poor insulation mechanical vibrations saturation of core fluctuating load poor insulation mechanical vibrations ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary by the flux through cooling coil None of these through air by the flux through cooling coil None of these through air ANSWER DOWNLOAD EXAMIANS APP
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