Power Systems The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be 500 900 450 250 500 900 450 250 ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 60-70% 20-25% 30-40% 45-55% 60-70% 20-25% 30-40% 45-55% ANSWER DOWNLOAD EXAMIANS APP
Power Systems For transmission line which one of the following relation is true? AD - BC = 0 AD - BC = -1 AD - BC = 1 AD + BC = 0 AD - BC = 0 AD - BC = -1 AD - BC = 1 AD + BC = 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true regarding HVDC? Corona loss is very much reduced in the dc line All of these HVDC can utilize earth for its return path There is no skin effect in dc line Corona loss is very much reduced in the dc line All of these HVDC can utilize earth for its return path There is no skin effect in dc line ANSWER DOWNLOAD EXAMIANS APP
Power Systems String chart is drawn between both 1 and 2 temperature (T) on X- axis, sag(S) and tension (T) on Y-axis T on Y-axis and S and T on on X-axis nether 1 nor 2 both 1 and 2 temperature (T) on X- axis, sag(S) and tension (T) on Y-axis T on Y-axis and S and T on on X-axis nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Due to corona, charging current increases All of these interference increases power loss increases charging current increases All of these interference increases power loss increases ANSWER DOWNLOAD EXAMIANS APP