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 All (i), (ii) and (iii) Both (i) and (iii) Only (i) Both (i) and (ii) All (i), (ii) and (iii) Both (i) and (iii) Only (i) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Detritus tank Skimming tank Trickling filter Grit chamber Detritus tank Skimming tank Trickling filter Grit chamber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Direct reaction of unsaturated hydrocarbons with either NO or NO₂ produces an eye irritating pollutant compound known as Peroxy acetyl nitrate (PAN) or methyl nitrile Photochemical smog Poly acrylonitrile Benzopyrene Peroxy acetyl nitrate (PAN) or methyl nitrile Photochemical smog Poly acrylonitrile Benzopyrene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen in high concentration in contaminated air reduces partial pressure of oxygen in lungs, thereby causing asphyxia (suffocation) leading to death from oxygen deficiency. Concentration of N₂ in contaminated air at which it acts as a natural asphyxant is ≥ __________ percent. 92 80 84 88 92 80 84 88 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to chemicals having carcinogenic properties cause Asphyxiation (suffocation) Dermatitis (skin disorder) Asthma Cancer Asphyxiation (suffocation) Dermatitis (skin disorder) Asthma Cancer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 45 115 10 90 45 115 10 90 ANSWER DOWNLOAD EXAMIANS APP
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