Environmental Engineering An egg shaped section of sewer 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 Is more stable than circular section Is easy to construct ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering When there is no recirculation of sewage, then recirculation factor is 1 Infinity None of these 1 Infinity 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) 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 At a distance R/2 from the well Close to the well ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be Combined system Partially combined system Partially separate system Separate system Combined system Partially combined system Partially separate system Separate system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The disinfection efficiency of chlorine increases by (i) Decreasing the time of contact (ii) Decreasing the temperature of water (iii) Increasing the temperature of water Both (i) and (iii) Both (i) and (ii) Only (iii) Only (i) Both (i) and (iii) Both (i) and (ii) Only (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pipe which is used to carry the discharge from sanitary fittings like bath rooms, kitchens etc. is called Anti-siphonage pipe Vent pipe Soil pipe Waste pipe Anti-siphonage pipe Vent pipe Soil pipe Waste pipe ANSWER DOWNLOAD EXAMIANS APP
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