Environmental Engineering in CE TLV of aldrin in public water supply system is about __________ μg/litre. 0.5 357 17 1097 0.5 357 17 1097 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of high concentration of ozone and smog in atmospheric air causes the Cracking of rubber products Embrittlement & decrease of folding resistance of paper Damage of electrical insulator on high tension power line Fading of dye on textiles Cracking of rubber products Embrittlement & decrease of folding resistance of paper Damage of electrical insulator on high tension power line Fading of dye on textiles ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Settling out using chemical reagents Chlorination Skimming off Biological oxidation Settling out using chemical reagents Chlorination Skimming off Biological oxidation 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 All of these Nitrification or oxidation of ammonia derived from breakdown of nitrogeneous organic matter to the nitrite and eventually to the nitrate Coagulation and flocculation of colloids Oxidation of carbonaceous matter to CO₂ All of these Nitrification or oxidation of ammonia derived from breakdown of nitrogeneous organic matter to the nitrite and eventually to the nitrate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m³.(μg-microgram) 90 750 800 10 90 750 800 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant. Calcium Sulphur Fluorine Phosphorous Calcium Sulphur Fluorine Phosphorous ANSWER DOWNLOAD EXAMIANS APP