Environmental Engineering in CE The concentration of water vapour in troposphere, which depends upon the altitude & temperature varies in the range of zero to __________ percent. 8 4 12 1 8 4 12 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a 'particulate'? Dust & mists Smoke & fumes None of these Photochemical smog & soot Dust & mists Smoke & fumes None of these Photochemical smog & soot ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The resistance of water to the passage of light through it is a measure of the Turbidity Dissolved gases Hardness Color Turbidity Dissolved gases Hardness Color ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Natural aeration of water stream Both A & B Neither A nor B Photosynthetic action of algae Natural aeration of water stream Both A & B Neither A nor B Photosynthetic action of algae ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 1 82 19 7 1 82 19 7 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 80% less than 200 mesh size particles are called Grit Smoke Powder Aggregates Grit Smoke Powder Aggregates ANSWER DOWNLOAD EXAMIANS APP
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