Transformers Transformer having ratings less than 5kVA are generally ______ Water cooled Natural air cooled Oil cooled None of the listed here Water cooled Natural air cooled Oil cooled None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be 400 W 100 W 50 W 200 W 400 W 100 W 50 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Primary winding of a transformer could either be a low voltage or high voltage winding is always a high voltage winding is always a low voltage winding None of these could either be a low voltage or high voltage winding is always a high voltage winding is always a low voltage winding None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Air motor Synchronous motor Shunt motor Induction motor Air motor Synchronous motor Shunt motor Induction motor 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? 450 900 210 350 450 900 210 350 ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are about the same much smaller somewhat smaller much higher about the same much smaller somewhat smaller much higher ANSWER DOWNLOAD EXAMIANS APP
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