Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Choride Calcium Sulphate Carbonate Choride Calcium Sulphate Carbonate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called Skimming mill Cesspool Septic tank Lagoon Skimming mill Cesspool Septic tank Lagoon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Photochemical smog is formed from automobile exhaust By reaction of hydrocarbon & nitric oxide in presence of sunlight All of these Is harmful for crops and trees also besides causing eye irritation & asthma Appears only on sunny days By reaction of hydrocarbon & nitric oxide in presence of sunlight All of these Is harmful for crops and trees also besides causing eye irritation & asthma Appears only on sunny days ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE COD of raw municipal sewage may be in the range of about __________ mg/litre. 1-2 90-120 1500-2500 5-10 1-2 90-120 1500-2500 5-10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hydrogen ion concentration in distilled water is 10⁻⁷ 7 x 10⁷ 10⁷ 7 x 10⁻⁷ 10⁻⁷ 7 x 10⁷ 10⁷ 7 x 10⁻⁷ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)? Activated carbon adsorption Chemical coagulation Lagooning Biological oxidation pond Activated carbon adsorption Chemical coagulation Lagooning Biological oxidation pond ANSWER DOWNLOAD EXAMIANS APP
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