Environmental Engineering In water treatment, rapid gravity filters are adopted to remove Dissolved organic substances Dissolved solids and dissolved gases Floating solids and dissolved inorganic solids Bacteria and colloidal solids Dissolved organic substances Dissolved solids and dissolved gases Floating solids and dissolved inorganic solids Bacteria and colloidal solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is Safety valve Sluice valve Scour valve Check valve Safety valve Sluice valve Scour valve Check valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard BOD is measured at 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 30°C - 5 day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The characteristics of fresh and septic sewage respectively are Both alkaline Acidic and alkaline Alkaline and acidic Both acidic Both alkaline Acidic and alkaline Alkaline and acidic Both acidic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The water carriage system of collection of waste product Is cheaper in initial cost than dry conservancy system Requires treatment before disposal All of these Creates hygienic problem Is cheaper in initial cost than dry conservancy system Requires treatment before disposal All of these Creates hygienic problem ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Chloramines Bleaching powder Sulphur dioxide Carbon dioxide Chloramines Bleaching powder Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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