Environmental Engineering The major disadvantage of lime soda process of water softening is that It is unsuitable for softening the water of excessive hardness Huge amount of precipitate is formed which creates a disposal problem The effluent cannot be reduced to zero hardness It is unsuitable for turbid and acidic water It is unsuitable for softening the water of excessive hardness Huge amount of precipitate is formed which creates a disposal problem The effluent cannot be reduced to zero hardness It is unsuitable for turbid and acidic water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are normally designed for 5 - 10 years 15 - 28 years 28 - 30 years 15 - 20 years 5 - 10 years 15 - 28 years 28 - 30 years 15 - 20 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are designed for Maximum flow only Minimum flow only Average flow only Maximum and minimum flow Maximum flow only Minimum flow only Average flow only Maximum and minimum flow ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Scour valves are provided At the foot of rising main along the slope to prevent back running of water At street corners to control the flow of water At every depression and dead ends to drain out the waste water that may collect there At every summit of rising mains At the foot of rising main along the slope to prevent back running of water At street corners to control the flow of water At every depression and dead ends to drain out the waste water that may collect there At every summit of rising mains ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method for disinfection of swimming pool water is Lime treatment Chlorination By using potassium permanganate Ultra violet rays treatment Lime treatment Chlorination By using potassium permanganate Ultra violet rays treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Composting and lagooning are the methods of Sludge disposal Sedimentation Filtration Sludge digestion Sludge disposal Sedimentation Filtration Sludge digestion ANSWER DOWNLOAD EXAMIANS APP