Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Hysteresis losses are reduced Saving in winding material Eddy losses are totally eliminated Copper losses are negligible Hysteresis losses are reduced Saving in winding material Eddy losses are totally eliminated Copper losses are negligible ANSWER DOWNLOAD EXAMIANS APP
Transformers Primary winding of a transformer is always a low voltage winding is always a high voltage winding None of these could either be a low voltage or high voltage winding is always a low voltage winding is always a high voltage winding None of these could either be a low voltage or high voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Eddy current loss Iron losses Leakage reactance Copper loss Eddy current loss Iron losses Leakage reactance Copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to magnetostriction mechanical vibrations load changes oil in the transformer magnetostriction mechanical vibrations load changes oil in the transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of cooling a power transformer is Any of these oil cooling air blast cooling natural air cooling Any of these oil cooling air blast cooling natural air cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers The winding of the transformer with greater number of turns will be _____ Either high or low voltage winding Low voltage winding None of the listed here High voltage winding Either high or low voltage winding Low voltage winding None of the listed here High voltage winding ANSWER DOWNLOAD EXAMIANS APP
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