Transformers The all day efficiency of a transformer is ______ the commercial efficiency. The same as Less than None of the listed here More than The same as Less than None of the listed here More than ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same polarity same kVA rating same efficiency same number of turns on the secondary side. same polarity same kVA rating same efficiency same number of turns on the secondary side. ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Current transformer Potential transformer Auto transformer Power transformer Current transformer Potential transformer Auto transformer Power transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of cooling a power transformer is air blast cooling oil cooling natural air cooling Any of these air blast cooling oil cooling natural air cooling Any of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 1000 kVA 500 kVA 3000 kVA 250 kVA 1000 kVA 500 kVA 3000 kVA 250 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on Dc only AC as well as DC Ac only None of the listed here Dc only AC as well as DC Ac only None of the listed here ANSWER DOWNLOAD EXAMIANS APP