Transformers A common method of cooling a power transformer is Any of these oil cooling air blast cooling natural air cooling Any of these oil cooling air blast cooling natural air cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers Power transformers are generally designed to have maximum efficiency around no-load 10% overload half-load near full-load no-load 10% overload half-load near full-load ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 8,800 V 8.8 V 88 V 880 V 8,800 V 8.8 V 88 V 880 V ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 65% 85% 75% 95 % 65% 85% 75% 95 % ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? Water cooled None of the listed here Oil cooled Air cooled Water cooled None of the listed here Oil cooled Air cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. Magnetically as well as electrically Only magnetically Only electrically None of the listed here Magnetically as well as electrically Only magnetically Only electrically None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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