Environmental Engineering The characteristics of fresh and septic sewage respectively are Acidic and alkaline Both alkaline Both acidic Alkaline and acidic Acidic and alkaline Both alkaline Both acidic Alkaline and acidic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Average rate of water consumption per head per day as per Indian Standard is 100 liters 200 liters 135 liters 165 liters 100 liters 200 liters 135 liters 165 liters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following retards the self purification of stream? None of these Sunlight Satisfying oxygen demand Higher temperature None of these Sunlight Satisfying oxygen demand Higher temperature ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For satisfactory working of a sludge digestion unit, the pH range of digested sludge should be maintained as 8.5 to 10.0 6.5 to 8.0 4.5 to 6.0 10.5 to 12.0 8.5 to 10.0 6.5 to 8.0 4.5 to 6.0 10.5 to 12.0 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The depression of water table in a well due to pumping will be maximum(Where ‘R’ is the radius of influence) At a distance R/2 from the well Close to the well At a distance R from the well None of these At a distance R/2 from the well Close to the well At a distance R from the well None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of filtered water, which is used for backwashing in rapid sand filters, is about 0.4 to 1.0 5 to 7 0.2 to 0.4 2 to 4 0.4 to 1.0 5 to 7 0.2 to 0.4 2 to 4 ANSWER DOWNLOAD EXAMIANS APP
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