Environmental Engineering The treatment of water with bleaching powder is known as Pre-chlorination De-chlorination Super chlorination Hypo-chlorination Pre-chlorination De-chlorination Super chlorination Hypo-chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In lime-soda process Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness Only carbonate hardness is removed Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness Only noncarbonated hardness is removed Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness Only carbonate hardness is removed Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness Only noncarbonated hardness is removed ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of Alteration of pressure filters is In between the filtration rate of slow sand filters and rapid sand filters Greater than that of rapid sand filters Less than that of slow sand filters Equal to that of slow sand filters In between the filtration rate of slow sand filters and rapid sand filters Greater than that of rapid sand filters Less than that of slow sand filters Equal to that of slow sand filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable layout of a distribution system for irregularly growing town is Dead end system Ring system Radial system Grid iron system Dead end system Ring system Radial system Grid iron system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is 1 Infinite 100 Zero 1 Infinite 100 Zero ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Generally the detention period for grit chambers is kept as 12 hours 5 minutes 24 hours 1 minute 12 hours 5 minutes 24 hours 1 minute ANSWER DOWNLOAD EXAMIANS APP
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