Power Systems The water from a catchment is 60*106 cu m annually and hydro station has head of 40 m. Assuming ideal generator and turbine, the power that can be theoretically generated is 750 kW 250 kW 500 kW 300 kW 750 kW 250 kW 500 kW 300 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 3.975 pu 2.4 pu 0.2 pu 1.375 pu 3.975 pu 2.4 pu 0.2 pu 1.375 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power transmission lines are transposed to reduce radio interference skin effect proximity effect ferranti effect radio interference skin effect proximity effect ferranti effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power output of a nuclear power station is proportional to none of above. square of the rate at which fission reaction occurs. square root of the rate at which fission reaction occurs. the rate at which fission reaction occurs. none of above. square of the rate at which fission reaction occurs. square root of the rate at which fission reaction occurs. the rate at which fission reaction occurs. 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 LLL LLG LL LG LLL LLG LL LG ANSWER DOWNLOAD EXAMIANS APP
Power Systems A gas turbine power plant is best suited for Base load. Emergency. None of these. Peak load. Base load. Emergency. None of these. Peak load. ANSWER DOWNLOAD EXAMIANS APP
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