Power Systems Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 mâ„§? 200 Ω 160 Ω 400 Ω 320 Ω 200 Ω 160 Ω 400 Ω 320 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Gas turbine plant. Thermal power plant. Hydro electric power plant. Nuclear power plant. Gas turbine plant. Thermal power plant. Hydro electric power plant. Nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A diesel power station has fuel consumption of 0.28 Kg per kWh. The calorific value of fuel is being 10000 KCal / kg. Determine the overall efficiency 40 %. 30.26 %. 40.85 %. 30.7 %. 40 %. 30.26 %. 40.85 %. 30.7 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is tanφ = X/R cosφ = X/R tanφ = R/X cosφ = R/X tanφ = X/R cosφ = X/R tanφ = R/X cosφ = R/X ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 28 Ω 52 Ω 33 Ω 40 Ω 28 Ω 52 Ω 33 Ω 40 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fault occurring at the terminals of an unloaded synchronous generator operating at its rated voltage has resulted in the following values of currents and voltages. IR0 = j 2.37 pu IR1 = -j 3.05 pu IR2 = j 0.68 pu VR0 = VR1 = VR2 = 0.237 pu. Which of the following faults has occurred? LL LG LLG LLL LL LG LLG LLL ANSWER DOWNLOAD EXAMIANS APP