Environmental Engineering in CE Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes Gastritis & diarrhea All of these Paralysis of muscles & loss of appetite Nervous depression Gastritis & diarrhea All of these Paralysis of muscles & loss of appetite Nervous depression ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The principal gas evolved from sludge digestion tank is CO CH₄ CO₂ N₂ CO CH₄ CO₂ N₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm)? Benzopyrene Sulphur dioxide Carbon monoxide Peroxyacyl nitrate Benzopyrene Sulphur dioxide Carbon monoxide Peroxyacyl nitrate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise level in a chemical plant can be controlled by the Protection of operating personnel All of these Suppression of noise at the source itself Path control of noise Protection of operating personnel All of these Suppression of noise at the source itself Path control of noise ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Soluble and toxic organics Heavy metals and cynides Suspended solids All of these Soluble and toxic organics Heavy metals and cynides Suspended solids All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Trickling filter Grit chamber Detritus tank Skimming tank Trickling filter Grit chamber Detritus tank Skimming tank ANSWER DOWNLOAD EXAMIANS APP
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