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 H₂ SO₃ CO₂ N₂ H₂ SO₃ CO₂ 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. 88 92 80 84 88 92 80 84 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following industries discharge mercury as a pollutant? Phosphoric acid plant Beverage plant Chloro-alkali industry Tanneries Phosphoric acid plant Beverage plant Chloro-alkali industry Tanneries ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 5 2000 100 1000 5 2000 100 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Turbidity of water is an indication of the presence of Floating solids Dissolved solids Dissolved gases Suspended inorganic matter Floating solids Dissolved solids Dissolved gases Suspended inorganic matter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is the process of killing organism in water. Sedimentation Coagulation Disinfection Sterilisation Sedimentation Coagulation Disinfection Sterilisation ANSWER DOWNLOAD EXAMIANS APP