Transformers Which of the following is not a fitting on a transformer? Conservator Buchholz's relay Breather Commutator Conservator Buchholz's relay Breather Commutator ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Frequency Power Time period Voltage Frequency Power Time period Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? High permeability High thermal conductivity Mechanical strength Low hysteresis loss High permeability High thermal conductivity Mechanical strength Low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Losses which occur in rotating electric machines and do not occur in trans formers are copper losses friction and windage losses hysteresis and eddy current losses magnetic losses copper losses friction and windage losses hysteresis and eddy current losses magnetic losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Air-cooled transformer Auto transformer Oil cooled transformer Welding transformer Air-cooled transformer Auto transformer Oil cooled transformer Welding transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer, under heavy loads, is comparatively low because voltage drop both in primary and secondary becomes large iron loss is increased considerably copper loss becomes high in proportion to the output secondary output is much less as compared to primary input voltage drop both in primary and secondary becomes large iron loss is increased considerably copper loss becomes high in proportion to the output secondary output is much less as compared to primary input ANSWER DOWNLOAD EXAMIANS APP
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