Environmental Engineering The maximum efficiency of BOD removal is achieved in Oxidation pond Oxidation ditch Trickling filters Aerated lagoons Oxidation pond Oxidation ditch Trickling filters Aerated lagoons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Carbon dioxide Sulphur dioxide Bleaching powder Chloramines Carbon dioxide Sulphur dioxide Bleaching powder Chloramines ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable layout of a distribution system for irregularly growing town is Ring system Radial system Dead end system Grid iron system Ring system Radial system Dead end system Grid iron system 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 The length of rectangular sedimentation tank should not be more than (Where ‘B’ is the width of the tank) 2B 8B 4B B 2B 8B 4B B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The major disadvantage of lime soda process of water softening is that The effluent cannot be reduced to zero hardness It is unsuitable for turbid and acidic water It is unsuitable for softening the water of excessive hardness Huge amount of precipitate is formed which creates a disposal problem The effluent cannot be reduced to zero hardness It is unsuitable for turbid and acidic water It is unsuitable for softening the water of excessive hardness Huge amount of precipitate is formed which creates a disposal problem ANSWER DOWNLOAD EXAMIANS APP
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