Environmental Engineering in CE COD of raw municipal sewage may be in the range of about __________ mg/litre. 90-120 1-2 5-10 1500-2500 90-120 1-2 5-10 1500-2500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ethanolamine is an absorbant used for the removal of __________ from air/gas. Both B & C H₂S SO₂ HF Both B & C H₂S SO₂ HF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The amount of chemical coagulant added for treatment of polluted water __________ with increase in temperature of the polluted water to be treated. Increases Remains constant May increase or decrease ; depends on the chemical characteristics of polluted water Decreases Increases Remains constant May increase or decrease ; depends on the chemical characteristics of polluted water Decreases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Calcium Carbonate Choride Sulphate Calcium Carbonate Choride Sulphate 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 Discharging in the river stream Quenching of hot coke None of these Filtration and recycling for cooling coke oven gas Discharging in the river stream Quenching of hot coke None of these Filtration and recycling for cooling coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank. Filtration Sedimentation Both B and C Digestion Filtration Sedimentation Both B and C Digestion ANSWER DOWNLOAD EXAMIANS APP
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