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 A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it. Carbon dioxide Ozone Hydrogen None of these Carbon dioxide Ozone Hydrogen None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment plant, zeolite process is used to remove the __________ of water. Acidity Alkalinity Hardness Iron & zinc Acidity Alkalinity Hardness Iron & zinc ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Oil & fatty Dissolved solid Gritty & inorganic Suspended solid Oil & fatty Dissolved solid Gritty & inorganic Suspended solid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? H₂S Hydrocarbons CO SO₂ H₂S Hydrocarbons CO SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels. 160 135 105 185 160 135 105 185 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS