Transformers Which of the following protection is normally not provided on small distribution transformers? Overcurrent protection Buchholz relay Overfluxing protection All of these Overcurrent protection Buchholz relay Overfluxing protection All of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The flux in the core of a single phase transformer is _____ Purely rotating one Purely alternating one Partly alternating and partly rotating None of the listed here Purely rotating one Purely alternating one Partly alternating and partly rotating None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Total equivalent leakage reactance Turn ratio Total equivalent resistance Copper losses Total equivalent leakage reactance Turn ratio Total equivalent resistance Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Harmonics in transformer result in increased I2R losses increased core losses magnetic interference with communication circuits All of the listed here increased I2R losses increased core losses magnetic interference with communication circuits All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Leakage flux is small Applied voltage and frequency are constant Iron core is used Losses are small Leakage flux is small Applied voltage and frequency are constant Iron core is used Losses are small ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain transformer, the input power to the primary is 120 W. If 8.5 W are lost to the winding resistance, what is the output power to the load, neglecting any other issues? 0 W 111.5 W 14.1 W 1,020 W 0 W 111.5 W 14.1 W 1,020 W ANSWER DOWNLOAD EXAMIANS APP
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