Environmental Engineering in CE Fresh sewage is __________ in nature. Acidic Neutral Highly acidic Alkaline Acidic Neutral Highly acidic Alkaline ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Skimming tank Imhoff tank Lagoon Oxidation Skimming tank Imhoff tank Lagoon Oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of __________ present in it. Coal ash None of these Ortho-xylene Potassium cyanide Coal ash None of these Ortho-xylene Potassium cyanide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes Foaming Odour nuisances Turbidity Undesirable plant growth Foaming Odour nuisances Turbidity Undesirable plant growth ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution due to excessive heat & temperature in the working place causes High breathing rate Fatigue All of these Reduction in working efficiency of manpower High breathing rate Fatigue All of these Reduction in working efficiency of manpower ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. 150 180 120 90 150 180 120 90 ANSWER DOWNLOAD EXAMIANS APP
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