Transformers The open circuit test on a transformer gives _______ Friction losses Copper losses Total losses Iron losses Friction losses Copper losses Total losses Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformers to determine temperature stray losses all-day efficiency None of these temperature stray losses all-day efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The short circuit test helps us to find Cu loss at any desire load Cu loss at no load Iron loss at no load None of the listed here Cu loss at any desire load Cu loss at no load Iron loss at no load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Bushings Core Primary winding Secondary winding Bushings Core Primary winding Secondary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary? 4 0.4 9.6 0.96 4 0.4 9.6 0.96 ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 20 A 5 A 15 A 10 A 20 A 5 A 15 A 10 A ANSWER DOWNLOAD EXAMIANS APP