Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 10000 5 1000 500 10000 5 1000 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 0.01 4 1 0.1 0.01 4 1 0.1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Biological oxidation Composting Incineration None of these Biological oxidation Composting Incineration None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most major constituents of air pollutants? Carbon monoxide Oxides of nitrogen Hydrogen sulphide Oxides of sulphur Carbon monoxide Oxides of nitrogen Hydrogen sulphide Oxides of sulphur ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In troposphere (the weather domain), the temperature 't' at height 'h' above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.) t = 15 - 0.0065h t = 15 + 0.0065h t = 15 - 0.0035h t = 0.0035h -15 t = 15 - 0.0065h t = 15 + 0.0065h t = 15 - 0.0035h t = 0.0035h -15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The per capital consumption of a locality is affected by(i) Climatic conditions(ii) Quality of water(iii) Distribution pressure Only (i) All (i), (ii) and (iii) Both (i) and (ii) Both (i) and (iii) Only (i) All (i), (ii) and (iii) Both (i) and (ii) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP