Environmental Engineering The main disadvantage of oxidation pond is that BOD removal is very low Large area is required for construction None of these Maintenance and operation cost are high BOD removal is very low Large area is required for construction None of these Maintenance and operation cost are high ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum permissible limit for fluoride in drinking water is 10 mg/liter 0.1 mg/liter 1.5 mg/liter 5 mg/liter 10 mg/liter 0.1 mg/liter 1.5 mg/liter 5 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most commonly used sewer under culverts is Horseshoe type sewer Semi-elliptical sewer Circular brick sewer Circular cast iron sewer Horseshoe type sewer Semi-elliptical sewer Circular brick sewer Circular cast iron sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard BOD is measured at 30°C - 5 day 20°C - 5 day 20°C - 1 day 25°C - 3 day 30°C - 5 day 20°C - 5 day 20°C - 1 day 25°C - 3 day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sludge volume index is defined as the ratio of Percentage of sludge by volume to percentage of suspended solids by weight Percentage of suspended solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of total solids by weight Percentage of total solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of suspended solids by weight Percentage of suspended solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of total solids by weight Percentage of total solids by weight to percentage of sludge by volume ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Composting and lagooning are the methods of Sedimentation Sludge disposal Sludge digestion Filtration Sedimentation Sludge disposal Sludge digestion Filtration ANSWER DOWNLOAD EXAMIANS APP