Transformers The approximate efficiency of a large transformer is 50% 80% 95% 65% 50% 80% 95% 65% ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ None of the listed here Apparent power Leakage reactance Reactive power None of the listed here Apparent power Leakage reactance Reactive power ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of cooling a power transformer is Any of these air blast cooling oil cooling natural air cooling Any of these air blast cooling oil cooling natural air cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Circular type Rectangular type Sandwich type Cylindrical type Circular type Rectangular type Sandwich type Cylindrical type ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine core losses eddy current losses copper losses hysteresis losses core losses eddy current losses copper losses hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Leakage reactance Iron losses Copper losses Winding resistance Leakage reactance Iron losses Copper losses Winding resistance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS