Environmental Engineering in CE Which of the following is not a natural source of air pollution? None of these Biological decay of vegetable matter Photochemical oxidation of organic matter Volcanic eruptions and lightening discharges None of these Biological decay of vegetable matter Photochemical oxidation of organic matter Volcanic eruptions and lightening discharges ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum CO₂ is emitted into the atmosphere by Trees Biomass burning Urea Combustion Trees Biomass burning Urea Combustion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of a certain minimum quantity of flourine is desirable in potable water to prevent Dental cavities Water-borne disease Corrosion Scale formation Dental cavities Water-borne disease Corrosion Scale formation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbonaceous particles having size less than 1 μm are called Smoke Grit Aggregates Aerosols Smoke Grit Aggregates Aerosols ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise levels produced during operation of fans and compressors can be reduced by using Accoustical absorbent Mufflers (silencers) Lagging of noisy duct None of these Accoustical absorbent Mufflers (silencers) Lagging of noisy duct None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutant present in automobile exhaust is CO NO CO₂ Hydrocarbons CO NO CO₂ Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
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