Waste Water Engineering The presence of free ammonia in sewage, is detected by Adding sulphuric acid Phenol-di-sulphuric acid Adding potassium permanganate Boiling Adding sulphuric acid Phenol-di-sulphuric acid Adding potassium permanganate Boiling ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bottom openings 15 cm × 15 cm in the standing baffle wall are provided 30 cm c/c 50 cm c/c 15 cm c/c 22.5 cm c/c 30 cm c/c 50 cm c/c 15 cm c/c 22.5 cm c/c ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is 0.15 cumec 0.20 cumec 0.10 cumec 0.12 cumec 0.15 cumec 0.20 cumec 0.10 cumec 0.12 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept 0.25 2 5 10 0.25 2 5 10 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment in septic tanks is due to Anaerobic decomposition None of these Parasitic decomposition Aerobic decomposition Anaerobic decomposition None of these Parasitic decomposition Aerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk and out-fall, the type of sewers generally used, is Standard egg shaped Horse shoe shaped Circular shaped Parabolic shaped Standard egg shaped Horse shoe shaped Circular shaped Parabolic shaped ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS