Power Systems Deaerative heating is done to remove dissolved. heat the steam. remove dissolved gases in water. heat the feed water. remove dissolved. heat the steam. remove dissolved gases in water. heat the feed water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 8 MJ 400 MJ 50 MJ 200 MJ 8 MJ 400 MJ 50 MJ 200 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona is accompanied by power loss and interference All of these violet visible light hissing sound power loss and interference All of these violet visible light hissing sound ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for maximum voltage regulation cosφ = R/X tanφ = R/X tanφ = X/R cosφ = X/R cosφ = R/X tanφ = R/X tanφ = X/R cosφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems One million cubic meters of water is stored in a reservoir feeding a water turbine. The density of water is 993 kg/m³. If the centre of mass of water is 50 meters above the turbine and losses are negligible, the energy produced by that volume of water is 120 MWhr 130.2 MWhr 135.3 MWhr 140 MWhr 120 MWhr 130.2 MWhr 135.3 MWhr 140 MWhr ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.6 and 0.6 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 0.6 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 0.8 pu ANSWER DOWNLOAD EXAMIANS APP