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 Only (i) Only (iii) Both (i) and (ii) Both (i) and (iii) Only (i) Only (iii) Both (i) and (ii) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering An egg shaped section of sewer 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 Provides self cleansing velocity at low discharges Is easy to construct ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period for oxidation ponds is usually kept as 24 hours 48 hours 3 months 10 to 15 days 24 hours 48 hours 3 months 10 to 15 days ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The devices which are installed for drawing water from the sources are called Filters Intakes Aquiclude Aquifers Filters Intakes Aquiclude Aquifers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow does not depend on Grade of sewer Roughness of sewer Length of sewer Hydraulic mean depth of sewer Grade of sewer Roughness of sewer Length of sewer Hydraulic mean depth of sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is usually designed for 26 years 25 years 27 years 28 years 26 years 25 years 27 years 28 years ANSWER DOWNLOAD EXAMIANS APP
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