Power Systems If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line 0.01 + j 0.02 per Km. None of them. 0.018 per Km. 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. None of them. 0.018 per Km. 0.09 + j 0.018 per Km. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 25% 33.33% 75% 66.66% 25% 33.33% 75% 66.66% ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the frequency is increased, then skin effect will increases remains unaffected any of the above decreases increases remains unaffected any of the above decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer, total diameter of an ACSR conductor is 5 cm. Find the diameter of each strand? 5 cm 1.5 cm 15 cm 1 cm 5 cm 1.5 cm 15 cm 1 cm ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Gauss Seidel load flow method has following disadvantages. Which of the following statement is wrong? Slow convergence A good initial guess for voltages is essential for convergence Unreliable convergence Choice of slack bus affects the convergence Slow convergence A good initial guess for voltages is essential for convergence Unreliable convergence Choice of slack bus affects the convergence ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pumped storage plant is a None of these base load plant both 1 and 2 peak load plant None of these base load plant both 1 and 2 peak load plant ANSWER DOWNLOAD EXAMIANS APP