Transformers The approximate efficiency of a large transformer is 50% 65% 95% 80% 50% 65% 95% 80% ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Auto transformer Oil cooled transformer Welding transformer Air-cooled transformer Auto transformer Oil cooled transformer Welding transformer Air-cooled transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Copper loss Leakage reactance Iron losses Eddy current loss Copper loss Leakage reactance Iron losses Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Horn gaps Thermal overload relays Conservator Breather Horn gaps Thermal overload relays Conservator Breather ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Primary winding Core Bushings Secondary winding Primary winding Core Bushings Secondary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Power transformer Auto transformer Current transformer Voltage transformer Power transformer Auto transformer Current transformer Voltage transformer ANSWER DOWNLOAD EXAMIANS APP
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