Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Oil & fatty Gritty & inorganic Suspended solid Dissolved solid Oil & fatty Gritty & inorganic Suspended solid Dissolved solid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The commonest form of iron & manganese found in ground water as pollutant is in the form of their Chlorides Carbonates Sulphides Bi-carbonates Chlorides Carbonates Sulphides Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases. None of these Increase the dew point of Reduce SO₂ content in Catalytically convert SO₂ to SO₃ in None of these Increase the dew point of Reduce SO₂ content in Catalytically convert SO₂ to SO₃ in ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones. 10² 10⁵ 10¹⁵ 10⁹ 10² 10⁵ 10¹⁵ 10⁹ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm)? Benzopyrene Carbon monoxide Peroxyacyl nitrate Sulphur dioxide Benzopyrene Carbon monoxide Peroxyacyl nitrate Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise pollution level in a chemical plant is expressed in None of these Roentgen Hertz Decibel None of these Roentgen Hertz Decibel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS