Power Systems Which of the following decides the insulation level of 400 kV, EHV line? switching over voltage radio interference lighting voltage skin effect switching over voltage radio interference lighting voltage skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ships are usually supplied power by Hydraulic turbine. None of above. Diesel engine. Steam accumulator. Hydraulic turbine. None of above. Diesel engine. Steam accumulator. 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? 4.45 kW 19.60 kW 9.81 kW 2.90 kW 4.45 kW 19.60 kW 9.81 kW 2.90 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station? 5 MW 10 MW 9 MW 18 MW 5 MW 10 MW 9 MW 18 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is/are more reliable? Newton Raphson (NR) method Fast Decoupled Load Flow (FDLF) method Gauss-Siedel (GS) method All of these Newton Raphson (NR) method Fast Decoupled Load Flow (FDLF) method Gauss-Siedel (GS) method All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance Z(pu) is given by ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b/(KV)²b ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b/(KV)²b ZΩ* (kVA)b/(KV)²b ANSWER DOWNLOAD EXAMIANS APP
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