Environmental Engineering The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is Check valve Safety valve Sluice valve Scour valve Check valve Safety valve Sluice valve Scour valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pathogens can be killed by Oxidation Chlorination None of these Nitrification Oxidation Chlorination None of these Nitrification ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection of water results in Removal of hardness Removal of turbidity Complete sterilisation Killing of disease bacteria Removal of hardness Removal of turbidity Complete sterilisation Killing of disease bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum efficiency of BOD removal is achieved in Aerated lagoons Oxidation ditch Trickling filters Oxidation pond Aerated lagoons Oxidation ditch Trickling filters Oxidation pond 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 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 The effluent cannot be reduced to zero hardness It is unsuitable for turbid and acidic water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum and maximum diameters of sewers shall preferably be 30 cm and 450 cm 60 cm and 300 cm 15 cm and 300 cm 15 cm and 100 cm 30 cm and 450 cm 60 cm and 300 cm 15 cm and 300 cm 15 cm and 100 cm ANSWER DOWNLOAD EXAMIANS APP
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