Environmental Engineering in CE The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of __________ of water. Dissolved oxygen content All of these Biological oxygen demand Vapor pressure Dissolved oxygen content All of these Biological oxygen demand Vapor pressure ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tolerable limit of nitrogen oxides in air is __________ ppm. 0.1 5 25 1 0.1 5 25 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Incineration None of these Composting Biological oxidation Incineration None of these Composting Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hazardous/polluting chemical industries should have an 'exclusion zone' with a green belt and general public access prohibited around it, covering a radius of ____ metres. 1000 100 4000 400 1000 100 4000 400 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is removed from water by lime-soda process. Foul smell and taste Temporary hardness Iron and manganese Permanent hardness Foul smell and taste Temporary hardness Iron and manganese Permanent hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes Odour nuisances Undesirable plant growth Foaming Turbidity Odour nuisances Undesirable plant growth Foaming Turbidity ANSWER DOWNLOAD EXAMIANS APP
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