Environmental Engineering The biochemical treatment of sewage effluents is essentially a process of Oxidation Alkalinization Dehydration Reduction Oxidation Alkalinization Dehydration Reduction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In chlorination, with the rise in temperature of water, death rate of bacteria Increases Decreases Remains unaffected None of these Increases Decreases Remains unaffected None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The slope of sewer shall be Zero Given in the direction of natural slope of ground Given in the direction opposite to natural slope of ground Steeper than 1 in 20 Zero Given in the direction of natural slope of ground Given in the direction opposite to natural slope of ground Steeper than 1 in 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Hardy cross method of analysis of distribution system (i) Involves successive trials (ii) Takes economic aspects into account (iii) Is time consuming Only (i) (i) and (iii) All are correct (i) and (ii) Only (i) (i) and (iii) All are correct (i) and (ii) 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 Huge amount of precipitate is formed which creates a disposal problem The effluent cannot be reduced to zero hardness It is unsuitable for softening the water of excessive hardness It is unsuitable for turbid and acidic water Huge amount of precipitate is formed which creates a disposal problem The effluent cannot be reduced to zero hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection of water results in Removal of hardness Killing of disease bacteria Removal of turbidity Complete sterilisation Removal of hardness Killing of disease bacteria Removal of turbidity Complete sterilisation ANSWER DOWNLOAD EXAMIANS APP
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