Power Systems A penstock is used as a condition between the heat ex-changer and the turbine in nuclear power plant. the turbine and discharge drain. the dam and the turbine in a hydro station. none of above. the heat ex-changer and the turbine in nuclear power plant. the turbine and discharge drain. the dam and the turbine in a hydro station. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 m, which type of turbines is used hydro power plant Francis. Kaplan. Pelton. None of above. Francis. Kaplan. Pelton. None of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has 50 km operating at frequency of 500 Hz. Find the type of the line? medium transmission line short transmission line long transmission line any of the above medium transmission line short transmission line long transmission line any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Aluminium is now most commonly employed conductor material in transmission lines than copper because it is cheaper and lighter it is more conductive costlier its tensile strength is more it is cheaper and lighter it is more conductive costlier its tensile strength is more ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? Both 1 and 2 High ratio of puncture strength to flash over. High relative permittivity Low ratio of puncture strength to flash over. Both 1 and 2 High ratio of puncture strength to flash over. High relative permittivity Low ratio of puncture strength to flash over. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 4.28 pu 2.5 pu 3.75 pu 7.25 pu 4.28 pu 2.5 pu 3.75 pu 7.25 pu ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS