Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.2 pu 0.5 pu 0.4 pu 0.1 pu 0.2 pu 0.5 pu 0.4 pu 0.1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems For symmetrical network, the neutral current is maximum any of the above infinity zero maximum any of the above infinity zero ANSWER DOWNLOAD EXAMIANS APP
Power Systems A penstock is used as a condition between the dam and the turbine in a hydro station. none of above. the turbine and discharge drain. the heat ex-changer and the turbine in nuclear power plant. the dam and the turbine in a hydro station. none of above. the turbine and discharge drain. the heat ex-changer and the turbine in nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mercury is choice with steam in binary vapor cycle because relative low vaporization pressure. higher saturation temperature than other fluids. all of above. higher critical temperature and pressure. relative low vaporization pressure. higher saturation temperature than other fluids. all of above. higher critical temperature and pressure. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Most commonly used material for insulator is mica glass porcelain All of these mica glass porcelain All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 100, 10 100, 0.4 4, 10 4, 0.4 100, 10 100, 0.4 4, 10 4, 0.4 ANSWER DOWNLOAD EXAMIANS APP