Power Systems For accurate load flow calculations on large power systems, the best method is N-R method All of these G-S method Decoupled method N-R method All of these G-S method Decoupled method ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro electric generating station is supplied from a reservoir of capacity 5 × 10 − 6 cubic meters at a head of 200 meters. Find the total energy available in KWh if the overall efficiency is 75 % 3 × 106 kWh. 5 × 106 kWh. 4.06 × 106 kWh. 2.044 × 106 kWh. 3 × 106 kWh. 5 × 106 kWh. 4.06 × 106 kWh. 2.044 × 106 kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be 5 + j 7 A -2 - j 1 A 1 + j 2 A 1 + j 4 A 5 + j 7 A -2 - j 1 A 1 + j 2 A 1 + j 4 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is 800 MW 1600 MW 200 MW 400 MW 800 MW 1600 MW 200 MW 400 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Characteristics of arc quenching medium is/are High thermal conductivity Non flammable All of these High dielectric strength High thermal conductivity Non flammable All of these High dielectric strength ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following statement are false A thermal reactor needs a moderator material. In nuclear power plants, chain reaction is controlled by cadmium rods. Nuclear power plants are used as peak load plants only. In a nuclear reactor, multiplication factor is kept almost equal to one. A thermal reactor needs a moderator material. In nuclear power plants, chain reaction is controlled by cadmium rods. Nuclear power plants are used as peak load plants only. In a nuclear reactor, multiplication factor is kept almost equal to one. ANSWER DOWNLOAD EXAMIANS APP
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