Transformers An isolation transformer has primary to secondady turns ratio of 2:1 Can be any ratio 1:2 1:1 2:1 Can be any ratio 1:2 1:1 ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine copper loss efficiency of the transformer magnetising current and loss magnetising current copper loss efficiency of the transformer magnetising current and loss magnetising current ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer is always made on ______ Either low or high voltage winding Low voltage winding None of the listed here High voltage winding Either low or high voltage winding Low voltage winding None of the listed here High voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Synchronous motor Shunt motor Air motor Induction motor Synchronous motor Shunt motor Air 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? 900 450 350 210 900 450 350 210 ANSWER DOWNLOAD EXAMIANS APP
Transformers The path of the magnetic flux in transformer should have high resistance high reluctance low reactance low resistance high resistance high reluctance low reactance low resistance ANSWER DOWNLOAD EXAMIANS APP
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