Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Lagoon Skimming tank Oxidation Imhoff tank Lagoon Skimming tank Oxidation Imhoff tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of lead for public sewer/waste water is about __________ ppm. 150 1 650 25 150 1 650 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Simple filtration Chlorination only Chemical coagulation Oxidation followed by settling & filtration Simple filtration Chlorination only Chemical coagulation Oxidation followed by settling & filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by Quenching of hot coke Filtration and recycling for cooling coke oven gas Discharging in the river stream None of these Quenching of hot coke Filtration and recycling for cooling coke oven gas Discharging in the river stream None of these 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 5-10 1500-2500 1-2 90-120 5-10 1500-2500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World environment day is observed every year on the 5th of June July December September June July December September ANSWER DOWNLOAD EXAMIANS APP
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