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 Sub-main sewer House sewer Main sewer Lateral sewer Sub-main sewer House sewer Main sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of filtered water, which is used for backwashing in rapid sand filters, is about 5 to 7 2 to 4 0.4 to 1.0 0.2 to 0.4 5 to 7 2 to 4 0.4 to 1.0 0.2 to 0.4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the combined sewer system shall be taken as Equal to rainfall Rainfall + 6 DWF Rainfall + 2 DWF Rainfall + DWF Equal to rainfall Rainfall + 6 DWF Rainfall + 2 DWF Rainfall + DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are designed for Average flow only Maximum and minimum flow Maximum flow only Minimum flow only Average flow only Maximum and minimum flow Maximum flow only Minimum flow only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering An egg shaped section of sewer Is economical than circular section Is more stable than circular section Is easy to construct Provides self cleansing velocity at low discharges Is economical than circular section Is more stable than circular section Is easy to construct Provides self cleansing velocity at low discharges ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The alum, when added as a coagulant in water Does not affect pH value of water Increases pH value of water Does not require alkalinity in water for flocculation Decreases pH value of water Does not affect pH value of water Increases pH value of water Does not require alkalinity in water for flocculation Decreases pH value of water ANSWER DOWNLOAD EXAMIANS APP
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