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 Sub-main sewer House sewer Lateral sewer Main sewer Sub-main sewer House sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Cleaning is done by (i) Scraping and removal in filters slow sand (ii) Back washing in slow sand filters (iii) Scraping and removal in filters rapid sand (iv) Back washing in rapid sand filters The correct answer is (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of filtration in slow sand filters in million litres per day per hectare is about 500 to 600 100 to 150 50 to 60 1400 to 1500 500 to 600 100 to 150 50 to 60 1400 to 1500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The treatment of water with bleaching powder is known as Pre-chlorination Hypo-chlorination Super chlorination De-chlorination Pre-chlorination Hypo-chlorination Super chlorination De-chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering An egg shaped section of sewer Is economical than circular section Provides self cleansing velocity at low discharges Is easy to construct Is more stable than circular section Is economical than circular section Provides self cleansing velocity at low discharges Is easy to construct Is more stable than circular section ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Average rate of water consumption per head per day as per Indian Standard is 135 liters 165 liters 100 liters 200 liters 135 liters 165 liters 100 liters 200 liters ANSWER DOWNLOAD EXAMIANS APP
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