Environmental Engineering Sludge volume index is defined as the ratio of Percentage of suspended solids by weight to percentage of sludge by volume Percentage of total solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of suspended solids by weight Percentage of sludge by volume to percentage of total solids by weight Percentage of suspended solids by weight to percentage of sludge by volume Percentage of total solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of suspended solids by weight Percentage of sludge by volume to percentage of total solids by weight ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is usually designed for 27 years 25 years 26 years 28 years 27 years 25 years 26 years 28 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Laying of sewers is usually done with the help of A plane table Sight rails and boning rods A compass A Theodolite A plane table Sight rails and boning rods A compass A Theodolite ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The gas from sludge digestion tank is mainly composed of Methane Carbon dioxide Hydrogen sulphide Nitrogen Methane Carbon dioxide Hydrogen sulphide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period for oxidation ponds is usually kept as 10 to 15 days 3 months 48 hours 24 hours 10 to 15 days 3 months 48 hours 24 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to Non carbonate hardness Total hardness Total hardness total alkalinity Total alkalinity Non carbonate hardness Total hardness Total hardness total alkalinity Total alkalinity ANSWER DOWNLOAD EXAMIANS APP
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