Environmental Engineering An egg shaped section of sewer Provides self cleansing velocity at low discharges Is easy to construct Is economical than circular section Is more stable than circular section Provides self cleansing velocity at low discharges Is easy to construct Is economical than circular section Is more stable than circular section ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 4 ppm 40 ppm 1 ppm 10 ppm 4 ppm 40 ppm 1 ppm 10 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is Same Larger Smaller None of these Same Larger Smaller None of these 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) Close to the well None of these At a distance R/2 from the well At a distance R from the well Close to the well None of these At a distance R/2 from the well At a distance R from the well ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the Turbidity in water Residual chlorine in water Dissolved oxygen in water Hardness in water Turbidity in water Residual chlorine in water Dissolved oxygen in water Hardness in water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pathogens can be killed by Oxidation Chlorination Nitrification None of these Oxidation Chlorination Nitrification None of these ANSWER DOWNLOAD EXAMIANS APP
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