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? 19.60 kW 2.90 kW 9.81 kW 4.45 kW 19.60 kW 2.90 kW 9.81 kW 4.45 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants operating cost is low and initial cost is high. operating cost is high and initial cost is low. both operating and initial cost are low. both operating and initial cost are high. operating cost is low and initial cost is high. operating cost is high and initial cost is low. both operating and initial cost are low. both operating and initial cost are high. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which following statement are not true for line parameters R, L, G and C of transmission line Both R and G depend on the conductivity of conductor forming the line. G = 1/R where G is conductance of line. LC = μ ε and RG = σ ε. All of above. Both R and G depend on the conductivity of conductor forming the line. G = 1/R where G is conductance of line. LC = μ ε and RG = σ ε. All of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines? 8 4 5 2 8 4 5 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 500 MJ 10 MJ 50 MJ 5 MJ 500 MJ 10 MJ 50 MJ 5 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power plant is being supplied with coal having much more ash content than that for which it was designed. Which of its following units needs major modifications Ash handling unit. Condenser. Pulversing unit. Cooling tower. Ash handling unit. Condenser. Pulversing unit. Cooling tower. ANSWER DOWNLOAD EXAMIANS APP
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