Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. Aerobic decomposition None of these Separation Anaerobic decomposition Aerobic decomposition None of these Separation Anaerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 80% less than 200 mesh size particles are called Powder Smoke Grit Aggregates Powder Smoke Grit Aggregates ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect? N₂ SO₃ CO₂ H₂ N₂ SO₃ CO₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Chlorination only Oxidation followed by settling & filtration Simple filtration Chemical coagulation Chlorination only Oxidation followed by settling & filtration Simple filtration Chemical coagulation 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 80 92 84 88 80 92 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ plant emits large amount of SO₂ as an air pollutant. Chloralkali Nitric acid Sulphuric acid Iron & steel Chloralkali Nitric acid Sulphuric acid Iron & steel ANSWER DOWNLOAD EXAMIANS APP
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