Environmental Engineering in CE 80% less than 200 mesh size particles are called Powder Aggregates Smoke Grit Powder Aggregates Smoke Grit ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Oxidation Lagoon Imhoff tank Skimming tank Oxidation Lagoon Imhoff tank Skimming tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels. 135 105 185 160 135 105 185 160 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 1000 500 50 3000 (i.e. 0.3%) 1000 500 50 3000 (i.e. 0.3%) 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 Potassium cyanide None of these Coal ash Ortho-xylene Potassium cyanide None of these Coal ash ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house effect is accentuated by Rapid industrialisation Deforestation All of these Increased transportation activity Rapid industrialisation Deforestation All of these Increased transportation activity ANSWER DOWNLOAD EXAMIANS APP