Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 50 MJ 5 MJ 10 MJ 500 MJ 50 MJ 5 MJ 10 MJ 500 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.02 0.025 0.25 0.05 0.02 0.025 0.25 0.05 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which material is used in controlling chain reaction in a nuclear reactor Heavy water. Boron. Beryllium. Thorium. Heavy water. Boron. Beryllium. Thorium. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to product of boiler efficiency, turbine efficiency and generator efficiency. binary vapor cycle. the Rankine cycle. regenerative cycle. product of boiler efficiency, turbine efficiency and generator efficiency. binary vapor cycle. the Rankine cycle. regenerative cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of a 100 bus interconnected system is 90% sparse. Then find the number of non zero elements in the Y bus matrix? 1000 10 9000 90 1000 10 9000 90 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (1 + j2 ) pu (2 + j4 ) pu (4 + j8 ) pu (0.5 + j1 ) pu (1 + j2 ) pu (2 + j4 ) pu (4 + j8 ) pu (0.5 + j1 ) pu ANSWER DOWNLOAD EXAMIANS APP