Transformers How are transformers generally cooled for installations rated at less than 5kVA ? Water cooled Oil cooled None of the listed here Air cooled Water cooled Oil cooled None of the listed here Air cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Eddy current Copper Hysteresis Friction Eddy current Copper Hysteresis Friction ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load ratio of a 50 Hz single phase transformer is 6000/250 V. The maximum flux in the core is 0.06 Wb. What is the number of primary turns? 350 210 900 450 350 210 900 450 ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Conservator Breather Buchholz relay Exciter Conservator Breather Buchholz relay Exciter ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. None of the listed here Magnetically Electrically Electrically and magnetically None of the listed here Magnetically Electrically Electrically and magnetically ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Power transformer Current transformer Auto transformer Voltage transformer Power transformer Current transformer Auto transformer Voltage transformer ANSWER DOWNLOAD EXAMIANS APP
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