Power Systems On a power system network the load is increasing represents the value of impedance none of above. decrease. remains constant. increase. none of above. decrease. remains constant. increase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Telecommunication lines are transposed to reduce the efficiency radio interference in communication lines All of these voltage level efficiency radio interference in communication lines All of these voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Thermal power plant. Nuclear power plant. Gas turbine plant. Hydro electric power plant. Thermal power plant. Nuclear power plant. Gas turbine plant. Hydro electric power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 75% 66.66% 25% 33.33% 75% 66.66% 25% 33.33% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power planets is the least reliable Solar. Wind. Tidal. Geothermal. Solar. Wind. Tidal. Geothermal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line) 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
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