Environmental Engineering in CE A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called Septic tank Lagoon Cesspool Skimming mill Septic tank Lagoon Cesspool Skimming mill 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. 84 88 92 80 84 88 92 80 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Soluble silica present in boiler feed water can be removed by Anion exchanger Coagulation Preheating it Filtration Anion exchanger Coagulation Preheating it Filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 5 50 5000 2000 5 50 5000 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Salt content in sea water is about __________ percent. 0.5 3.5 1 10 0.5 3.5 1 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hydrogen ion concentration in distilled water is 10⁷ 10⁻⁷ 7 x 10⁷ 7 x 10⁻⁷ 10⁷ 10⁻⁷ 7 x 10⁷ 7 x 10⁻⁷ ANSWER DOWNLOAD EXAMIANS APP
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