Environmental Engineering in CE Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause Undesirable plant growth Explosion Corrosion Non biodegradable foam Undesirable plant growth Explosion Corrosion Non biodegradable foam ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes Gastritis & diarrhea Nervous depression Paralysis of muscles & loss of appetite All of these Gastritis & diarrhea Nervous depression Paralysis of muscles & loss of appetite All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Dissolved solid Suspended solid Oil & fatty Gritty & inorganic Dissolved solid Suspended solid Oil & fatty Gritty & inorganic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 750 230 20 1500 750 230 20 1500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by Biological oxygen pond Trickling filters Gravity separator having oil skimming devices Aerated lagoons Biological oxygen pond Trickling filters Gravity separator having oil skimming devices Aerated lagoons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. Arsenic Lead Mercury Fluoride Arsenic Lead Mercury Fluoride ANSWER DOWNLOAD EXAMIANS APP
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