Environmental Engineering Sewage treatment units are normally designed for 15 - 28 years 15 - 20 years 5 - 10 years 28 - 30 years 15 - 28 years 15 - 20 years 5 - 10 years 28 - 30 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Composting and lagooning are the methods of Sedimentation Sludge digestion Sludge disposal Filtration Sedimentation Sludge digestion Sludge disposal Filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following compounds is widely used for algae control? Calcium chloride Sodium sulphate Sodium chloride Copper sulphate Calcium chloride Sodium sulphate Sodium chloride Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sludge volume index is defined as the ratio of Percentage of sludge by volume to percentage of total solids by weight Percentage of suspended solids by weight to percentage of sludge by volume 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 sludge by volume to percentage of total solids by weight Percentage of suspended solids by weight to percentage of sludge by volume Percentage of total solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of suspended solids by weight ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Generally the detention period for grit chambers is kept as 1 minute 12 hours 5 minutes 24 hours 1 minute 12 hours 5 minutes 24 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard BOD is measured at 20°C - 1 day 20°C - 5 day 30°C - 5 day 25°C - 3 day 20°C - 1 day 20°C - 5 day 30°C - 5 day 25°C - 3 day ANSWER DOWNLOAD EXAMIANS APP