Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 800 Ω 200 Ω 0 Ω 400 Ω 800 Ω 200 Ω 0 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? Low ratio of puncture strength to flash over. High relative permittivity High ratio of puncture strength to flash over. Both 1 and 2 Low ratio of puncture strength to flash over. High relative permittivity High ratio of puncture strength to flash over. Both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a nuclear reator thermal energy is obtained from fusion of radioactive material. burning of fuel rods in oxygen. fission of radioactive material. all of above. fusion of radioactive material. burning of fuel rods in oxygen. fission of radioactive material. all of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For head and low discharge the water turbine used Francis turbine. propeller turbine. Kaplan wheel. Pelton wheel. Francis turbine. propeller turbine. Kaplan wheel. Pelton wheel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effective is more in case of communication lines None of these same in both cases power lines communication lines None of these same in both cases power lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems Nuclear reactors usually employ both of A and B. fission. none of above. fusion. both of A and B. fission. none of above. fusion. ANSWER DOWNLOAD EXAMIANS APP
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