Environmental Engineering Which of the following unit works in anaerobic conditions? Sedimentation tank Sludge digestion tank Activated sludge treatment Trickling filters Sedimentation tank Sludge digestion tank Activated sludge treatment Trickling filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum efficiency of BOD removal is achieved in Trickling filters Oxidation ditch Oxidation pond Aerated lagoons Trickling filters Oxidation ditch Oxidation pond Aerated lagoons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The major disadvantage of lime soda process of water softening is that It is unsuitable for softening the water of excessive hardness It is unsuitable for turbid and acidic water The effluent cannot be reduced to zero hardness Huge amount of precipitate is formed which creates a disposal problem It is unsuitable for softening the water of excessive hardness It is unsuitable for turbid and acidic water The effluent cannot be reduced to zero hardness Huge amount of precipitate is formed which creates a disposal problem ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering An egg shaped section of sewer Is easy to construct Provides self cleansing velocity at low discharges Is more stable than circular section Is economical than circular section Is easy to construct Provides self cleansing velocity at low discharges Is more stable than circular section Is economical than circular section ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow does not depend on Length of sewer Roughness of sewer Hydraulic mean depth of sewer Grade of sewer Length of sewer Roughness of sewer Hydraulic mean depth of sewer Grade of sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to shallow wells, deep wells have Less depth Less discharge More discharge More depth Less depth Less discharge More discharge More depth ANSWER DOWNLOAD EXAMIANS APP
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