Environmental Engineering in CE Beyond what concentration of H₂S in air, acute danger to human life exists? 100 ppm 300 ppm 700 ppm 50 ppm 100 ppm 300 ppm 700 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise level in a chemical plant can be controlled by the Path control of noise Suppression of noise at the source itself All of these Protection of operating personnel Path control of noise Suppression of noise at the source itself All of these Protection of operating personnel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrates in water in excess of 50 ppm causes Mathenoglobenemia Asphyxiation Gastroentetitis Tooth decay Mathenoglobenemia Asphyxiation Gastroentetitis Tooth decay ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Skimming tank Lagoon Imhoff tank Oxidation Skimming tank Lagoon Imhoff tank Oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Turbidity Dissolved oxygen Caustic embrittlement Suspended silica Turbidity Dissolved oxygen Caustic embrittlement Suspended silica ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The per capital consumption of a locality is affected by(i) Climatic conditions(ii) Quality of water(iii) Distribution pressure Only (i) Both (i) and (ii) Both (i) and (iii) All (i), (ii) and (iii) Only (i) Both (i) and (ii) Both (i) and (iii) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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