Transformers The open circuit test on a transformer is always made on ______ None of the listed here Either low or high voltage winding High voltage winding Low voltage winding None of the listed here Either low or high voltage winding High voltage winding Low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Power transformers are generally designed to have maximum efficiency around half-load near full-load no-load 10% overload half-load near full-load no-load 10% overload ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to magnetostriction oil in the transformer load changes mechanical vibrations magnetostriction oil in the transformer load changes mechanical vibrations ANSWER DOWNLOAD EXAMIANS APP
Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is None of these great than one less than one approximately equal to one None of these great than one less than one approximately equal to one ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Star/Delta Delta/Delta Delta/Star Star/Star Star/Delta Delta/Delta Delta/Star Star/Star ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Current transformer Step-up transformer Auto transformer Potential transformer Current transformer Step-up transformer Auto transformer Potential transformer ANSWER DOWNLOAD EXAMIANS APP
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