Transformers A Buchholz relay can be installed on Oil cooled transformer Welding transformer Air-cooled transformer Auto transformer Oil cooled transformer Welding transformer Air-cooled transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Burden of a current transformer is usually expressed in Volt amperes Kilowatt Volts Amperes Volt amperes Kilowatt Volts Amperes ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ None of the listed here Ampere turns and voltage per turns Resistance and leakage reactances Currents and induced voltages None of the listed here Ampere turns and voltage per turns Resistance and leakage reactances Currents and induced voltages ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Auto transformer Potential transformer Current transformer Step-up transformer Auto transformer Potential transformer Current transformer Step-up transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ None of the listed here Has no losses and leakage reactance Has same number of primary and secondary turns Does not work None of the listed here Has no losses and leakage reactance Has same number of primary and secondary turns Does not work ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer, under heavy loads, is comparatively low because 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 voltage drop both in primary and secondary becomes large iron loss is increased considerably copper loss becomes high in proportion to the output ANSWER DOWNLOAD EXAMIANS APP
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