Transformers Noise level test in a transformer is a type test routine test special test None of these type test routine test special test None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? Oil cooled Water cooled None of the listed here Air cooled Oil cooled Water cooled None of the listed here Air cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 20 A 10 A 5 A 15 A 20 A 10 A 5 A 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ Remians unchanged Is decreased Is increased None of the listed here Remians unchanged Is decreased Is increased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer having ratings less than 5kVA are generally ______ Water cooled None of the listed here Oil cooled Natural air cooled Water cooled None of the listed here Oil cooled Natural air cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 50 per cent 98 per cent 100 per cent 25 per cent 50 per cent 98 per cent 100 per cent 25 per cent ANSWER DOWNLOAD EXAMIANS APP
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