Environmental Engineering Double filtration is used To increase the filtration slow sand filters capacity of All of these For isolated buildings like pools, hotels etc swimming To increase the filtration rapid sand filters capacity of To increase the filtration slow sand filters capacity of All of these For isolated buildings like pools, hotels etc swimming To increase the filtration rapid sand filters capacity of ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The major disadvantage of lime soda process of water softening is that The effluent cannot be reduced to zero hardness It is unsuitable for softening the water of excessive hardness It is unsuitable for turbid and acidic water Huge amount of precipitate is formed which creates a disposal problem The effluent cannot be reduced to zero hardness It is unsuitable for softening the water of excessive hardness It is unsuitable for turbid and acidic water Huge amount of precipitate is formed which creates a disposal problem ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Facultative bacteria are able to work in Presence of water Absence of oxygen only Presence as well as in absence of oxygen Presence of oxygen only Presence of water Absence of oxygen only Presence as well as in absence of oxygen Presence of oxygen only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are normally designed for 15 - 28 years 5 - 10 years 15 - 20 years 28 - 30 years 15 - 28 years 5 - 10 years 15 - 20 years 28 - 30 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following unit works in anaerobic conditions? Sludge digestion tank Sedimentation tank Trickling filters Activated sludge treatment Sludge digestion tank Sedimentation tank Trickling filters Activated sludge treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to Total hardness total alkalinity Non carbonate hardness Total hardness Total alkalinity Total hardness total alkalinity Non carbonate hardness Total hardness Total alkalinity ANSWER DOWNLOAD EXAMIANS APP
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