Power Systems A hydro power plant of run off river type should be provided with pondage so that the kinetic energy of the running water is fully utilized. operating head is controlled. firm capacity of plant is increased. pressure inside the turbine casing remains. kinetic energy of the running water is fully utilized. operating head is controlled. firm capacity of plant is increased. pressure inside the turbine casing remains. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effective is more in case of communication lines power lines None of these same in both cases communication lines power lines None of these same in both cases ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is compensated with shunt capacitance Csh. If the uncompensated transmission line surge impedance is Zs, then find the new surge impedance Zn after shunt compensation? Zs/√(1 + Kcsh) √(1 + Kcsh)/Zs Zs*√(1 + Kcsh) All of these Zs/√(1 + Kcsh) √(1 + Kcsh)/Zs Zs*√(1 + Kcsh) All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Corona is reduced by increasing the radius of the conductor decreasing the supply frequency All of these increasing the distance between the conductor increasing the radius of the conductor decreasing the supply frequency All of these increasing the distance between the conductor ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments? any voltage above 33 kV 33 to 50 kV 31.35 to 34.65 kV 25 to 35 kV any voltage above 33 kV 33 to 50 kV 31.35 to 34.65 kV 25 to 35 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 200 Ω 800 Ω 400 Ω 160 Ω 200 Ω 800 Ω 400 Ω 160 Ω ANSWER DOWNLOAD EXAMIANS APP
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