Environmental Engineering in CE 5-200 μm size particles are called Powder Dust Colloids or aerosols Smoke Powder Dust Colloids or aerosols Smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house effect is accentuated by All of these Rapid industrialisation Increased transportation activity Deforestation All of these Rapid industrialisation Increased transportation activity Deforestation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Beyond what concentration of H₂S in air, acute danger to human life exists? 50 ppm 100 ppm 700 ppm 300 ppm 50 ppm 100 ppm 700 ppm 300 ppm 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 Extremely Moderately Highly Very extremely Extremely Moderately ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The commonest form of iron & manganese found in ground water as pollutant is in the form of their Bi-carbonates Chlorides Sulphides Carbonates Bi-carbonates Chlorides Sulphides Carbonates 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. Potassium cyanide None of these Ortho-xylene Coal ash Potassium cyanide None of these Ortho-xylene Coal ash ANSWER DOWNLOAD EXAMIANS APP
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