Environmental Engineering The effective size of sand particles used in slow sand filters is 1.00 to 1.80 mm 0.60 to 1.00 mm 0.25 to 0.35 mm 0.35 to 0.60 mm 1.00 to 1.80 mm 0.60 to 1.00 mm 0.25 to 0.35 mm 0.35 to 0.60 mm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Sodium permanganate Sulphuric acid Copper sulphate Lime Sodium permanganate Sulphuric acid Copper sulphate Lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to geometrical increase method of forecasting population, arithmetical increase method gives Higher value Accurate value Lesser value Same value Higher value Accurate value Lesser value Same value ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process of lagooning is primarily a means of Increasing the capacity of storage reservoirs Reducing the excessive flow in sewers Increasing flow of sewage through imhoff tanks Disposing of sludge Increasing the capacity of storage reservoirs Reducing the excessive flow in sewers Increasing flow of sewage through imhoff tanks Disposing of sludge ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most commonly used sewer under culverts is Semi-elliptical sewer Horseshoe type sewer Circular cast iron sewer Circular brick sewer Semi-elliptical sewer Horseshoe type sewer Circular cast iron sewer Circular brick sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to cast iron pipes, steel pipes are Heavier Less susceptible to corrosion Stronger Costlier Heavier Less susceptible to corrosion Stronger Costlier ANSWER DOWNLOAD EXAMIANS APP
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