Power Systems Oxide film arrestor has which of the following properties? Does not require daily charging. Both A and B. Installed at points of transmission line where daily visit is difficult. It is expensive. Does not require daily charging. Both A and B. Installed at points of transmission line where daily visit is difficult. It is expensive. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The average thermal efficiency of a modern nuclear power plant is about 60 %. 30 %. 80 %. 40 %. 60 %. 30 %. 80 %. 40 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of inductance used for compensation of arcing grounds is ω²C/3 3ω²C 3/ω²C 1/3ω²C ω²C/3 3ω²C 3/ω²C 1/3ω²C ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows: IR1 = j1.5 pu, IR2 = -j0.5 pu, IR0 = -j1. The type of fault is LG LL LLG LLL LG LL LLG LLL ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? Thermal stability test. Load cycle tests. Impulse tests. All of these. Thermal stability test. Load cycle tests. Impulse tests. All of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A synchronous generator is of 100 MVA have inertia constant of 20 MJ/MVA. Find the angular momentum in MJsec/electrical degrees 2000 0.4 0.22 5 2000 0.4 0.22 5 ANSWER DOWNLOAD EXAMIANS APP
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