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 4000 100 400 1000 4000 100 400 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagoons used for purification of polluted water Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre All of these Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds Use micro-organisms/bacteria in presence of dissolved oxygen Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre All of these Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds Use micro-organisms/bacteria in presence of dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of soluble organics in polluted water causes Explosion hazards Depletion of oxygen Fire hazards Undesirable plants growth Explosion hazards Depletion of oxygen Fire hazards Undesirable plants growth ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? Smog & ozone Sulphur dioxide & spray of weed killers Carbon monoxide Hydrogen fluoride & nitrogen oxides Smog & ozone Sulphur dioxide & spray of weed killers Carbon monoxide Hydrogen fluoride & nitrogen oxides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Soluble and toxic organics All of these Suspended solids Heavy metals and cynides Soluble and toxic organics All of these Suspended solids Heavy metals and cynides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution due to excessive heat & temperature in the working place causes Fatigue Reduction in working efficiency of manpower All of these High breathing rate Fatigue Reduction in working efficiency of manpower All of these High breathing rate ANSWER DOWNLOAD EXAMIANS APP
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