Power Systems A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is 38.6 31.7 23.9 35.45 38.6 31.7 23.9 35.45 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation? 456 MW 478 MW 400 MW 386 MW 456 MW 478 MW 400 MW 386 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Units of incremental cost is Rs/MWhr RsMW/hr MWhr/Rs Rs/hr Rs/MWhr RsMW/hr MWhr/Rs Rs/hr ANSWER DOWNLOAD EXAMIANS APP
Power Systems The receiving end voltage for a long line under no load condition is equal to the sending end voltage more than the sending end voltage less than the sending end voltage any of the above equal to the sending end voltage more than the sending end voltage less than the sending end voltage any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflector nuclear reactor are made of beryllium. cast iron. boron. steel. beryllium. cast iron. boron. steel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is 10 2 6 16 10 2 6 16 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS