Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 125 80 100 145 125 80 100 145 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 500 1000 5 10000 500 1000 5 10000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive solid nuclear wastes are disposed off by High temperature incineration Pathological incineration Pyrolysis Underground burial in concrete containers High temperature incineration Pathological incineration Pyrolysis Underground burial in concrete containers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The principal gas evolved from sludge digestion tank is CH₄ CO₂ N₂ CO CH₄ CO₂ N₂ CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum CO₂ is emitted into the atmosphere by Trees Urea Combustion Biomass burning Trees Urea Combustion Biomass burning ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? All of these Ozone Photochemical smog Sulphur dioxide All of these Ozone Photochemical smog Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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