Environmental Engineering in CE Hydrogen ion concentration in distilled water is 10⁷ 7 x 10⁻⁷ 7 x 10⁷ 10⁻⁷ 10⁷ 7 x 10⁻⁷ 7 x 10⁷ 10⁻⁷ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called Skimming mill Cesspool Septic tank Lagoon Skimming mill Cesspool Septic tank Lagoon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Alum Hydrazine Lime Ferrous sulphate Alum Hydrazine Lime Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagooning process is mainly a means of the Sludge disposal Biological treatment of wastes Reduction of excessive flow in sewers None of these Sludge disposal Biological treatment of wastes Reduction of excessive flow in sewers None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The concentration of water vapour in troposphere, which depends upon the altitude & temperature varies in the range of zero to __________ percent. 4 12 8 1 4 12 8 1 ANSWER DOWNLOAD EXAMIANS APP