Environmental Engineering in CE A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called Cesspool Skimming mill Lagoon Septic tank Cesspool Skimming mill Lagoon Septic tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The lowest layer of atmosphere is known as the Troposphere None of these Stratosphere Ionosphere Troposphere None of these Stratosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 0.1 4 0.01 1 0.1 4 0.01 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Biological oxidation ponds remove organic matters present in the polluted water by Using the activities of bacteria and other micro organisms Aerobic oxidation Neither A nor B Both A & B Using the activities of bacteria and other micro organisms Aerobic oxidation Neither A nor B Both A & B 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)? Sulphur dioxide Peroxyacyl nitrate Carbon monoxide Benzopyrene Sulphur dioxide Peroxyacyl nitrate Carbon monoxide Benzopyrene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not an air pollutant? Ozone Metallic powders Pesticides Carcinogens Ozone Metallic powders Pesticides Carcinogens ANSWER DOWNLOAD EXAMIANS APP
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