Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 400 W 100 W 200 W None of the listed here 400 W 100 W 200 W None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 66 kV 132 kV 400 kV 33 kV 66 kV 132 kV 400 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 50 MVA 15 MVA 5 MVA 1.5 MVA 50 MVA 15 MVA 5 MVA 1.5 MVA ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? Low hysteresis loss High thermal conductivity High permeability Mechanical strength Low hysteresis loss High thermal conductivity High permeability Mechanical strength ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be fluctuating load poor insulation mechanical vibrations saturation of core fluctuating load poor insulation mechanical vibrations saturation of core ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 98 per cent 25 per cent 100 per cent 50 per cent 98 per cent 25 per cent 100 per cent 50 per cent ANSWER DOWNLOAD EXAMIANS APP
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