Transformers Power transformers are generally designed to have maximum efficiency around 10% overload no-load near full-load half-load 10% overload no-load near full-load half-load ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer having ratings less than 5kVA are generally ______ Water cooled Natural air cooled None of the listed here Oil cooled Water cooled Natural air cooled None of the listed here Oil cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformer to determine Stray losses All day efficiency Temperature None of the listed here Stray losses All day efficiency Temperature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is increased, the eddy current _____ Remains unchanged None of the listed here Is decreased Is increased Remains unchanged None of the listed here Is decreased Is increased ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Iron losses Leakage reactance Winding resistance Copper losses Iron losses Leakage reactance Winding resistance Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are much higher about the same somewhat smaller much smaller much higher about the same somewhat smaller much smaller ANSWER DOWNLOAD EXAMIANS APP
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