Environmental Engineering in CE Green house effect is accentuated by Rapid industrialisation Deforestation All of these Increased transportation activity Rapid industrialisation Deforestation All of these Increased transportation activity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels. 105 90 60 120 105 90 60 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by None of these Filtration and recycling for cooling coke oven gas Discharging in the river stream Quenching of hot coke None of these Filtration and recycling for cooling coke oven gas Discharging in the river stream Quenching of hot coke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in Coagulation and flocculation of colloids All of these Nitrification or oxidation of ammonia derived from breakdown of nitrogeneous organic matter to the nitrite and eventually to the nitrate Oxidation of carbonaceous matter to CO₂ Coagulation and flocculation of colloids All of these Nitrification or oxidation of ammonia derived from breakdown of nitrogeneous organic matter to the nitrite and eventually to the nitrate Oxidation of carbonaceous matter to CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE As compared to rapid sand filters, slow sand filters give(i) Slower filtration rate(ii) Higher filtration rate(iii) Lesser efficiency in removal of bacteria(iv) Higher efficiency in removal of bacteriaThe correct answer is (ii) and (iii) (i) and (ii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes Respiratory & lung disease Corrosion of building materials All of these Reduction in plant's productivity owing to acid rain Respiratory & lung disease Corrosion of building materials All of these Reduction in plant's productivity owing to acid rain ANSWER DOWNLOAD EXAMIANS APP
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