Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 420 Ω 210 Ω 400 Ω 840 Ω 420 Ω 210 Ω 400 Ω 840 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power station that does not requier any moving part is Tidal power generation. Solar power generation. Thermonic convertor. Wind power generation. Tidal power generation. Solar power generation. Thermonic convertor. Wind power generation. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is compensated with shunt capacitance Csh. After shunt compensation surge impedance loading will increases remains unaffected decreases None of these increases remains unaffected decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The shape of the disc of an induction disc relay is spiral. elliptical. none of these. circular. spiral. elliptical. none of these. circular. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively? 0.8, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems For head and low discharge the water turbine used Francis turbine. Kaplan wheel. propeller turbine. Pelton wheel. Francis turbine. Kaplan wheel. propeller turbine. Pelton wheel. ANSWER DOWNLOAD EXAMIANS APP