Environmental Engineering In lime-soda process Only noncarbonated hardness is removed Only carbonate hardness is removed Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness Only noncarbonated hardness is removed Only carbonate hardness is removed Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following compounds is widely used for algae control? Copper sulphate Sodium sulphate Sodium chloride Calcium chloride Copper sulphate Sodium sulphate Sodium chloride Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable layout of a distribution system for irregularly growing town is Grid iron system Dead end system Ring system Radial system Grid iron system Dead end system Ring system Radial system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Ground water is usually free from Dissolved impurities Suspended impurities Both suspended and dissolved impurities None of these Dissolved impurities Suspended impurities Both suspended and dissolved impurities None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is (i) Presumptive coli-form test (ii) Confirmed coli-form test (iii) Completed coli-form test All (i), (ii) and (iii) Only (i) Both (i) and (iii) Both (i) and (ii) All (i), (ii) and (iii) Only (i) Both (i) and (iii) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The biochemical treatment of sewage effluents is essentially a process of Alkalinization Oxidation Reduction Dehydration Alkalinization Oxidation Reduction Dehydration ANSWER DOWNLOAD EXAMIANS APP
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