Transformers A common method of colling a power transformer is Natural air cooling Any of the listed here Oil cooling Air blast cooling Natural air cooling Any of the listed here Oil cooling Air blast cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine core loss copper loss magnetising current and loss magnetising current efficiency core loss copper loss magnetising current and loss magnetising current efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 240 V 2,400 V 12 V 120 V 240 V 2,400 V 12 V 120 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum flux produced in the core of a transformer is ______ Inversely proportional to primary voltage Inversely proportional to supply frequency None of the listed here Directly proportional to supply frequency Inversely proportional to primary voltage Inversely proportional to supply frequency None of the listed here Directly proportional to supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ Low voltage and high output High voltage and small output High voltage and high output None of the listed here Low voltage and high output High voltage and small output High voltage and high output None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers What kVA rating is required for a transformer that must handle a maximum load current of 8 A with a secondary voltage of 2 kV? 8 kVA 16 kVA 4 kVA 0.25 kVA 8 kVA 16 kVA 4 kVA 0.25 kVA ANSWER DOWNLOAD EXAMIANS APP
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