Environmental Engineering in CE Lagooning process is mainly a means of the Sludge disposal None of these Reduction of excessive flow in sewers Biological treatment of wastes Sludge disposal None of these Reduction of excessive flow in sewers Biological treatment of wastes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Aluminium sulphate Hydrated lime Chloramine Ferrous sulphate Aluminium sulphate Hydrated lime Chloramine Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most lethal water pollutant? Alkalis Phenol and cynide Chlorine Suspended solids Alkalis Phenol and cynide Chlorine Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). Highly Very extremely Moderately Extremely Highly Very extremely Moderately Extremely ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 1000 50 2000 5000 1000 50 2000 5000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ethanolamine is an absorbant used for the removal of __________ from air/gas. H₂S SO₂ HF Both B & C H₂S SO₂ HF Both B & C ANSWER DOWNLOAD EXAMIANS APP