Environmental Engineering in CE Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called Mists Fumes Smoke Aerosols Mists Fumes Smoke Aerosols ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Scale formation in boiler is controlled by Reduction in hardness, silica & alumina in feed water Keeping the pH value of feed water just below 7 Eliminating H₂S in feed water Preheating of feed water Reduction in hardness, silica & alumina in feed water Keeping the pH value of feed water just below 7 Eliminating H₂S in feed water Preheating of feed water 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. Ortho-xylene None of these Potassium cyanide Coal ash Ortho-xylene None of these Potassium cyanide Coal ash ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Beyond what concentration of H₂S in air, acute danger to human life exists? 100 ppm 50 ppm 700 ppm 300 ppm 100 ppm 50 ppm 700 ppm 300 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is(i) Presumptive coli-form test(ii) Confirmed coli-form test(iii) Completed coli-form test All (i), (ii) and (iii) Both (i) and (ii) Only (i) Both (i) and (iii) All (i), (ii) and (iii) Both (i) and (ii) Only (i) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pollution by particulate matter emission in the atmosphere does not take place during metal Polishing Cutting Machining Grinding Polishing Cutting Machining Grinding ANSWER DOWNLOAD EXAMIANS APP