Environmental Engineering Double filtration is used To increase the filtration slow sand filters capacity of For isolated buildings like pools, hotels etc swimming To increase the filtration rapid sand filters capacity of All of these To increase the filtration slow sand filters capacity of For isolated buildings like pools, hotels etc swimming To increase the filtration rapid sand filters capacity of All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The water carriage system of collection of waste product All of these Creates hygienic problem Requires treatment before disposal Is cheaper in initial cost than dry conservancy system All of these Creates hygienic problem Requires treatment before disposal Is cheaper in initial cost than dry conservancy system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a given discharge, the efficiency of sedimentation tank can be increased by Decreasing the surface area of tank Decreasing the depth of tank Increasing the surface area of tank Increasing the depth of tank Decreasing the surface area of tank Decreasing the depth of tank Increasing the surface area of tank Increasing the depth of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In chlorination, with the rise in temperature of water, death rate of bacteria None of these Decreases Remains unaffected Increases None of these Decreases Remains unaffected Increases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Facultative bacteria are able to work in Presence of oxygen only Presence of water Presence as well as in absence of oxygen Absence of oxygen only Presence of oxygen only Presence of water Presence as well as in absence of oxygen Absence of oxygen only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The phenolic compounds in public water supply should not be more than 0.01 ppm 0.1 ppm 0.001 ppm 0.0001 ppm 0.01 ppm 0.1 ppm 0.001 ppm 0.0001 ppm ANSWER DOWNLOAD EXAMIANS APP
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