Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Hydrazine Ferrous sulphate Alum Lime Hydrazine Ferrous sulphate Alum Lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 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 Both (i) and (ii) Only (i) All (i), (ii) and (iii) Both (i) and (iii) Both (i) and (ii) Only (i) All (i), (ii) and (iii) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? All of these Nitrous oxide Methane Chlorofluro carbons (CFC) All of these Nitrous oxide Methane Chlorofluro carbons (CFC) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the wrong statement pertaining to 'green house' for the plants. ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 80% less than 200 mesh size particles are called Grit Aggregates Smoke Powder Grit Aggregates Smoke Powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is Left as such without any treatment None of these Diluted with fresh water to reduce its acidity Neutralised by alkali treatment Left as such without any treatment None of these Diluted with fresh water to reduce its acidity Neutralised by alkali treatment ANSWER DOWNLOAD EXAMIANS APP
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