Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Thermal overload relays Conservator Horn gaps Breather Thermal overload relays Conservator Horn gaps Breather ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ Leakage reactance Reactive power None of the listed here Apparent power Leakage reactance Reactive power None of the listed here Apparent power ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 1.5 MVA 50 MVA 15 MVA 5 MVA 1.5 MVA 50 MVA 15 MVA 5 MVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 66 kV 33 kV 132 kV 400 kV 66 kV 33 kV 132 kV 400 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers Harmonics in transformer result in increased I2R losses magnetic interference with communication circuits All of the listed here increased core losses increased I2R losses magnetic interference with communication circuits All of the listed here increased core losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? High thermal conductivity Mechanical strength Low hysteresis loss High permeability High thermal conductivity Mechanical strength Low hysteresis loss High permeability ANSWER DOWNLOAD EXAMIANS APP
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