Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Power transformer Auto transformer Potential transformer Current transformer Power transformer Auto transformer Potential transformer Current transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 15 MVA 50 MVA 5 MVA 1.5 MVA 15 MVA 50 MVA 5 MVA 1.5 MVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ None of the listed here High voltage and high output Low voltage and high output High voltage and small output None of the listed here High voltage and high output Low voltage and high output High voltage and small output ANSWER DOWNLOAD EXAMIANS APP
Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 9 V 90 V 900 V 0.9 V 9 V 90 V 900 V 0.9 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine copper losses eddy current losses hysteresis losses core losses copper losses eddy current losses hysteresis losses core losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine magnetising current core loss magnetising current and loss copper loss efficiency magnetising current core loss magnetising current and loss copper loss efficiency ANSWER DOWNLOAD EXAMIANS APP
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