Transformers A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be 200 W 400 W 50 W 100 W 200 W 400 W 50 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ Currents and induced voltages Ampere turns and voltage per turns None of the listed here Resistance and leakage reactances Currents and induced voltages Ampere turns and voltage per turns None of the listed here Resistance and leakage reactances ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Air-cooled transformer Auto transformer Welding transformer Oil cooled transformer Air-cooled transformer Auto transformer Welding transformer Oil cooled transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is approximately equal to one great than one less than one None of these approximately equal to one great than one less than one None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ High voltage and small output None of the listed here High voltage and high output Low voltage and high output High voltage and small output None of the listed here High voltage and high output Low voltage and high output ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 65% 85% 75% 95 % 65% 85% 75% 95 % ANSWER DOWNLOAD EXAMIANS APP