Environmental Engineering Septic tank is a (i) Settling tank (ii) Digestion tank (iii) Aeration tank Only (i) (i) and (ii) (i) and (iii) Only (iii) Only (i) (i) and (ii) (i) and (iii) Only (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally More and more Less and more Less and less More and less More and more Less and more Less and less More and less ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are designed for Maximum and minimum flow Maximum flow only Average flow only Minimum flow only Maximum and minimum flow Maximum flow only Average flow only Minimum flow only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In water treatment, rapid gravity filters are adopted to remove Floating solids and dissolved inorganic solids Dissolved solids and dissolved gases Dissolved organic substances Bacteria and colloidal solids Floating solids and dissolved inorganic solids Dissolved solids and dissolved gases Dissolved organic substances Bacteria and colloidal solids 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 The phenolic compounds in public water supply should not be more than 0.1 ppm 0.0001 ppm 0.01 ppm 0.001 ppm 0.1 ppm 0.0001 ppm 0.01 ppm 0.001 ppm ANSWER DOWNLOAD EXAMIANS APP
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