Transformers The open circuit test on a transformer is always made on ______ Low voltage winding 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 ANSWER DOWNLOAD EXAMIANS APP
Transformers Distribution transformers are generally designed for maximum efficiency around 90% load Zero load 50% load 25% load 90% load Zero load 50% load 25% load ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Conservator Thermal overload relays Breather Horn gaps Conservator Thermal overload relays Breather Horn gaps ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of 1:1 1:2 Can be any ratio 2:1 1:1 1:2 Can be any ratio 2:1 ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer provides _______ Shorter magnetic path Much longer magnetic path Lesser average length per turn None of the listed here Shorter magnetic path Much longer magnetic path Lesser average length per turn None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Power transformers are generally designed to have maximum efficiency around half-load 10% overload near full-load no-load half-load 10% overload near full-load no-load ANSWER DOWNLOAD EXAMIANS APP