Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.05 pu 0.25 pu 0.15 pu 0.45 pu 0.05 pu 0.25 pu 0.15 pu 0.45 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mercury is choice with steam in binary vapor cycle because relative low vaporization pressure. higher critical temperature and pressure. higher saturation temperature than other fluids. all of above. relative low vaporization pressure. higher critical temperature and pressure. higher saturation temperature than other fluids. all of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge? 9.81 kW 2.90 kW 19.60 kW 4.45 kW 9.81 kW 2.90 kW 19.60 kW 4.45 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power plants the size of coal after crushing 20 - 25 mm. 40 mm. 200 - 205 mm. 300 mm. 20 - 25 mm. 40 mm. 200 - 205 mm. 300 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a short circuit test circuit breaker, time to reach the peak re-striking voltage 60 microsecond & the peak re-striking voltage 120 kV. Determine average RRRV (Rate of rise re-striking voltage)? 3.5 × 106 kV / sec. 2 × 106 kV / sec. 3 × 106 kV / sec. 1 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 3 × 106 kV / sec. 1 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gas turbine power plants for maximum efficient may have All of above. Reheating. Heat exchangers. Multistage compression. All of above. Reheating. Heat exchangers. Multistage compression. ANSWER DOWNLOAD EXAMIANS APP
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