Power Systems The insulation of the modern EHV lines is designed based on the switch voltage. the lighting voltage. corona. R × I. the switch voltage. the lighting voltage. corona. R × I. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a pumped storage power plant is operated in conjunction with a steam power plant the operating cost of the steam plant become optimum All of these load factor of the steam plant is increased chances of the tripping of the system decrease the operating cost of the steam plant become optimum All of these load factor of the steam plant is increased chances of the tripping of the system decrease 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. LC = μ ε and RG = σ ε. All of above. G = 1/R where G is conductance of line. Both R and G depend on the conductivity of conductor forming the line. LC = μ ε and RG = σ ε. All of above. G = 1/R where G is conductance of line. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead -10% -6.92% 10% 6.92% -10% -6.92% 10% 6.92% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Hydro electric power plant. Nuclear power plant. Gas turbine plant. Thermal power plant. Hydro electric power plant. Nuclear power plant. Gas turbine plant. Thermal power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Liquid. Water. Hydrogen. Air. Liquid. Water. Hydrogen. Air. ANSWER DOWNLOAD EXAMIANS APP
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