Transformers Primary winding of a transformer None of these is always a high voltage winding could either be a low voltage or high voltage winding is always a low voltage winding None of these is always a high voltage winding could either be a low voltage or high voltage winding is always a low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum efficiency of a distribution transformer is at no load at full load at 80% full load at 50% full load at no load at full load at 80% full load at 50% full load ANSWER DOWNLOAD EXAMIANS APP
Transformers Noise level test in a transformer is a routine test type test special test None of these routine test type test special test None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Power transformer Potential transformer Auto transformer Current transformer Power transformer Potential transformer Auto transformer Current transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? Primary winding Secondary winding Low voltage winding High voltage winding Primary winding Secondary winding Low voltage winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is approximately equal to one great than one less than one None of these approximately equal to one great than one less than one None of these ANSWER DOWNLOAD EXAMIANS APP
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