Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° ℧. Find the shunt reactor required for compensating ferranti effect? 2000 Ω 500 Ω 3000 Ω 1500 Ω 2000 Ω 500 Ω 3000 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Main bus bar protection scheme is /are both fault bus and differential protection. differential protection. none of these. fault bus protection. both fault bus and differential protection. differential protection. none of these. fault bus protection. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a neutral point of 3 - Φ system is directly connected to earth then it has what type of grounding? Resistance. Peterson coil. Solid. Reactance. Resistance. Peterson coil. Solid. Reactance. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Water hamming process in pen-stocks results in pressure increases. noise increases. None of these noise increases, pressure increases, velocity decreases. pressure increases. noise increases. None of these noise increases, pressure increases, velocity decreases. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Air break CB. Air blast CB. Plain oil CB. Minimum oil CB. Air break CB. Air blast CB. Plain oil CB. Minimum oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of following is employed as a moderator by CANDU type of slow thermal nuclear reactors Graphite. Heavy water. Water. Beryllium. Graphite. Heavy water. Water. Beryllium. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS