Transformers The approximate efficiency of a large transformer is 95% 65% 80% 50% 95% 65% 80% 50% ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? High thermal conductivity Low hysteresis loss Mechanical strength High permeability High thermal conductivity Low hysteresis loss Mechanical strength High permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformer to determine Temperature All day efficiency None of the listed here Stray losses Temperature All day efficiency None of the listed here Stray losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum efficiency of a distribution transformer is at full load at 50% full load at no load at 80% full load at full load at 50% full load at no load at 80% full load ANSWER DOWNLOAD EXAMIANS APP
Transformers The dielectric strength of transformer oil is expected to be 33 kV 330 kV lkV 100 kV 33 kV 330 kV lkV 100 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 65% 85% 75% 95 % 65% 85% 75% 95 % ANSWER DOWNLOAD EXAMIANS APP
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