Environmental Engineering in CE Fresh sewage is __________ in nature. Alkaline Neutral Highly acidic Acidic Alkaline Neutral Highly acidic Acidic 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 Both A & B Neither A nor B Using the activities of bacteria and other micro organisms Aerobic oxidation Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ can not control the noise pollution. Use of silencers Green house gases Vibration damping Tree plantation Use of silencers Green house gases Vibration damping Tree plantation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most major constituents of air pollutants? Oxides of nitrogen Oxides of sulphur Hydrogen sulphide Carbon monoxide Oxides of nitrogen Oxides of sulphur Hydrogen sulphide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the Blanketing effect of CO₂ in the atmosphere Thickening of ozone layer Automobile exhaust De-forestation Blanketing effect of CO₂ in the atmosphere Thickening of ozone layer Automobile exhaust De-forestation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a manmade source of air pollution? Bacterial action in soil and swamp areas All of these Forest fire Automobile exhaust Bacterial action in soil and swamp areas All of these Forest fire Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
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