Environmental Engineering in CE 'Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the Automobiles exhaust Burning of domestic fuel Industrial chimney exhaust Photochemical reaction in polluted atmosphere Automobiles exhaust Burning of domestic fuel Industrial chimney exhaust Photochemical reaction in polluted atmosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called Skimming mill Lagoon Septic tank Cesspool Skimming mill Lagoon Septic tank Cesspool ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The earth's atmosphere is an envelope of gases present upto a height of about __________ kms. 2000 200 10 1000 2000 200 10 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 80 145 125 100 80 145 125 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is removed from water by lime-soda process. Foul smell and taste Iron and manganese Temporary hardness Permanent hardness Foul smell and taste Iron and manganese Temporary hardness Permanent hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes Nervous system disorder Anaemia Blood poisoning All of these Nervous system disorder Anaemia Blood poisoning All of these ANSWER DOWNLOAD EXAMIANS APP
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