Power Systems Oxide film arrestor has which of the following properties? Does not require daily charging. Installed at points of transmission line where daily visit is difficult. It is expensive. Both A and B. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. It is expensive. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating cost of thermal power station is less than that of hydroelectric power plant. less than that of nuclear power plant. less than that of diesel power plant. is the same as that of nuclear power plant. less than that of hydroelectric power plant. less than that of nuclear power plant. less than that of diesel power plant. is the same as that of nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against power frequency of over voltages. over voltages due to indirect lightning stroke. over currents due to lightning stroke. direct strokes of lightning. power frequency of over voltages. over voltages due to indirect lightning stroke. over currents due to lightning stroke. direct strokes of lightning. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An hydro-graph indicates the average run off during the period. All of these the maximum and minimum run off during the period. the discharge at any time during the period under consideration. the average run off during the period. All of these the maximum and minimum run off during the period. the discharge at any time during the period under consideration. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When series reactor is used in generating stations, the fault current magnitude is reduced remains unaffected increased any of the above reduced remains unaffected increased any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Characteristics of arc quenching medium is/are All of these High thermal conductivity High dielectric strength Non flammable All of these High thermal conductivity High dielectric strength Non flammable ANSWER DOWNLOAD EXAMIANS APP
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