Environmental Engineering in CE Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds __________ percent (by volume). 1 7 20 3 1 7 20 3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The lowest layer of atmosphere is known as the None of these Troposphere Stratosphere Ionosphere None of these Troposphere Stratosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Ammonia Hydrogen Acetylene Carbon monoxide Ammonia Hydrogen Acetylene Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust causes a disease called None of these Bronchitis Pneumoconiosis Silicosis None of these Bronchitis Pneumoconiosis Silicosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of SO₂ Hydrocarbons CO₂ CFC (chloro fluoro carbon) SO₂ Hydrocarbons CO₂ CFC (chloro fluoro carbon) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant. Calcium Phosphorous Sulphur Fluorine Calcium Phosphorous Sulphur Fluorine ANSWER DOWNLOAD EXAMIANS APP
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