Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 0.1 1 0.3 0.01 0.1 1 0.3 0.01 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water effluent generated in printing industry is decolourised by Ion exchange technique Reverse osmosis Electrolytic decomposition Adsorption Ion exchange technique Reverse osmosis Electrolytic decomposition Adsorption ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in Coagulation and flocculation of colloids Oxidation of carbonaceous matter to CO₂ Nitrification or oxidation of ammonia derived from breakdown of nitrogeneous organic matter to the nitrite and eventually to the nitrate All of these Coagulation and flocculation of colloids Oxidation of carbonaceous matter to CO₂ Nitrification or oxidation of ammonia derived from breakdown of nitrogeneous organic matter to the nitrite and eventually to the nitrate All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The concentration of water vapour in troposphere, which depends upon the altitude & temperature varies in the range of zero to __________ percent. 4 12 8 1 4 12 8 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Taste & odour control Removal of permanent hardness Disinfection Weed control in reservoirs Taste & odour control Removal of permanent hardness Disinfection Weed control in reservoirs ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes Nervous depression Paralysis of muscles & loss of appetite All of these Gastritis & diarrhea Nervous depression Paralysis of muscles & loss of appetite All of these Gastritis & diarrhea ANSWER DOWNLOAD EXAMIANS APP
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