Environmental Engineering If the sewage contains grease and fatty oils, these are removed in Skimming tanks Sedimentation tanks Detritus tanks Grit chambers Skimming tanks Sedimentation tanks Detritus tanks Grit chambers 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 40 ppm 4 ppm 10 ppm 1 ppm 40 ppm 4 ppm 10 ppm 1 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following compounds is widely used for algae control? Copper sulphate Calcium chloride Sodium sulphate Sodium chloride Copper sulphate Calcium chloride Sodium sulphate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering An egg shaped section of sewer Is more stable than circular section Is easy to construct Is economical than circular section Provides self cleansing velocity at low discharges Is more stable than circular section Is easy to construct Is economical than circular section Provides self cleansing velocity at low discharges ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called Lateral sewer Main sewer House sewer Sub-main sewer Lateral sewer Main sewer House sewer Sub-main sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effective size of sand particles used in slow sand filters is 0.35 to 0.60 mm 1.00 to 1.80 mm 0.60 to 1.00 mm 0.25 to 0.35 mm 0.35 to 0.60 mm 1.00 to 1.80 mm 0.60 to 1.00 mm 0.25 to 0.35 mm ANSWER DOWNLOAD EXAMIANS APP
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