Environmental Engineering Period of cleaning of slow sand filters is about 1 - 2 year 10 - 12 days 2 - 3 months 24 - 48 hours 1 - 2 year 10 - 12 days 2 - 3 months 24 - 48 hours 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 Sludge volume index is defined as the ratio of Percentage of sludge by volume to percentage of total solids by weight Percentage of total solids by weight to percentage of sludge by volume Percentage of suspended 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 total solids by weight to percentage of sludge by volume Percentage of suspended solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of suspended solids by weight ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Corrosion in concrete sewers is caused by Septic conditions Chlorine Dissolved oxygen Nitrogen Septic conditions Chlorine Dissolved oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The slope of sewer shall be Given in the direction opposite to natural slope of ground Zero Given in the direction of natural slope of ground Steeper than 1 in 20 Given in the direction opposite to natural slope of ground Zero Given in the direction of natural slope of ground Steeper than 1 in 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of oxidation pond is that Maintenance and operation cost are high Large area is required for construction BOD removal is very low None of these Maintenance and operation cost are high Large area is required for construction BOD removal is very low None of these ANSWER DOWNLOAD EXAMIANS APP
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