Environmental Engineering in CE A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called Cesspool Skimming mill Septic tank Lagoon Cesspool Skimming mill Septic tank Lagoon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by Biological oxygen pond Filtration Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) Lagoons Biological oxygen pond Filtration Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) Lagoons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Acetylene Carbon monoxide Hydrogen Petrol vapor Acetylene Carbon monoxide Hydrogen Petrol vapor ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foul odour and bad taste of water is removed by treating with Alum Activated carbon Bleaching powder Copper sulphate Alum Activated carbon Bleaching powder Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Siderosis is a disease caused by the inhalation of __________ dust. Iron Silica None of these Coal Iron Silica None of these Coal 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 Nā in contaminated air at which it acts as a natural asphyxant is ā„ __________ percent. 92 80 84 88 92 80 84 88 ANSWER DOWNLOAD EXAMIANS APP
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