Transformers The efficiency of a transformer, under heavy loads, is comparatively low because voltage drop both in primary and secondary becomes large secondary output is much less as compared to primary input iron loss is increased considerably copper loss becomes high in proportion to the output voltage drop both in primary and secondary becomes large secondary output is much less as compared to primary input iron loss is increased considerably copper loss becomes high in proportion to the output ANSWER DOWNLOAD EXAMIANS APP
Transformers Burden of a current transformer is usually expressed in Volt amperes Amperes Volts Kilowatt Volt amperes Amperes Volts Kilowatt ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Breather Thermal overload relays Conservator Horn gaps Breather Thermal overload relays Conservator Horn gaps ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will have zero efficiency at None of the listed here Half full load Full load No load None of the listed here Half full load Full load No load ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Buchholz relay Breather Conservator Exciter Buchholz relay Breather Conservator Exciter ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of Can be any ratio 2:1 1:2 1:1 Can be any ratio 2:1 1:2 1:1 ANSWER DOWNLOAD EXAMIANS APP