Environmental Engineering in CE Lagooning process is mainly a means of the Biological treatment of wastes 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 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 1000 50 3000 (i.e. 0.3%) 500 1000 50 3000 (i.e. 0.3%) 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? Hollow wet scrubber Bag filter Cyclone separator Dust catcher (gravity type) Hollow wet scrubber Bag filter Cyclone separator Dust catcher (gravity type) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutant present in automobile exhaust is CO₂ NO CO Hydrocarbons CO₂ NO CO Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Scale formation in boiler is controlled by Preheating of feed water Eliminating H₂S in feed water Keeping the pH value of feed water just below 7 Reduction in hardness, silica & alumina in feed water Preheating of feed water Eliminating H₂S in feed water Keeping the pH value of feed water just below 7 Reduction in hardness, silica & alumina in feed water 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
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