Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Biological oxidation Composting None of these Incineration Biological oxidation Composting None of these Incineration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Turbidity of water is an indication of the presence of Dissolved gases Dissolved solids Suspended inorganic matter Floating solids Dissolved gases Dissolved solids Suspended inorganic matter Floating solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 100 0.1 1000 25 100 0.1 1000 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km. 0.05 1 6.5 15 0.05 1 6.5 15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of a certain minimum quantity of flourine is desirable in potable water to prevent Water-borne disease Scale formation Dental cavities Corrosion Water-borne disease Scale formation Dental cavities Corrosion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Soluble silica present in boiler feed water can be removed by Coagulation Preheating it Filtration Anion exchanger Coagulation Preheating it Filtration Anion exchanger ANSWER DOWNLOAD EXAMIANS APP
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