Power Systems Which of the following statements is/are true? Corona is reduced by increasing the radius of the conductor increasing the distance between the conductor decreasing the supply frequency All of these increasing the radius of the conductor increasing the distance between the conductor decreasing the supply frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in ground star / delta. star / grounded star. delta / delta. delta / star. ground star / delta. star / grounded star. delta / delta. delta / star. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is a reaction turbines Kaplan and Pelton turbine. Francis turbine and Kaplan turbine. Pelton turbine and Francis turbine. None of these. Kaplan and Pelton turbine. Francis turbine and Kaplan turbine. Pelton turbine and Francis turbine. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Storage requirement can be determined from mass Curve. flow duration curve. both B and C. hydro-graph. mass Curve. flow duration curve. both B and C. hydro-graph. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a long transmission line, if we increase the length of the line, the parameters A and B respectively increases and decreases decreases and decreases increases and increases decreases and increases increases and decreases decreases and decreases increases and increases decreases and increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 30-40% 60-70% 45-55% 20-25% 30-40% 60-70% 45-55% 20-25% ANSWER DOWNLOAD EXAMIANS APP
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