Transformers Efficiency of a power transformer is of the order of 50 per cent 25 per cent 98 per cent 100 per cent 50 per cent 25 per cent 98 per cent 100 per cent ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Asbestos Glass fibre Mica Cellulose Asbestos Glass fibre Mica Cellulose ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Current transformer Auto transformer Power transformer Potential transformer Current transformer Auto transformer Power transformer Potential transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine efficiency of the transformer magnetising current copper loss magnetising current and loss efficiency of the transformer magnetising current copper loss magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Air-cooled transformer Welding transformer Auto transformer Oil cooled transformer Air-cooled transformer Welding transformer Auto transformer Oil cooled transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 25 5 0.2 0.4 25 5 0.2 0.4 ANSWER DOWNLOAD EXAMIANS APP
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