Environmental Engineering in CE Presence of excess flourine in water causes Tooth decay Fluorosis Respiratory disease Dental cavity Tooth decay Fluorosis Respiratory disease Dental cavity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Siderosis is a disease caused by the inhalation of __________ dust. Silica Coal None of these Iron Silica Coal None of these Iron ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is None of these Diluted with fresh water to reduce its acidity Neutralised by alkali treatment Left as such without any treatment None of these Diluted with fresh water to reduce its acidity Neutralised by alkali treatment Left as such without any treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Solid content in most of the domestic sewage is about __________ percent. 5 10 0.001 0.1 5 10 0.001 0.1 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? Hydrogen Ammonia Acetylene Carbon monoxide Hydrogen Ammonia Acetylene Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone is A primary pollutant Impervious to ultra-violet rays A secondary pollutant Both B & C A primary pollutant Impervious to ultra-violet rays A secondary pollutant Both B & C ANSWER DOWNLOAD EXAMIANS APP
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