Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 115 90 10 45 115 90 10 45 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 15 to 20 0.1 to 1 3 to 6 10 to 15 15 to 20 0.1 to 1 3 to 6 10 to 15 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 Sulphides Chlorides Bi-carbonates Carbonates Sulphides Chlorides Bi-carbonates Carbonates ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Siderosis is a disease caused by the inhalation of __________ dust. None of these Coal Iron Silica None of these Coal Iron Silica ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart No. 2 corresponds to __________ percent black smoke. 80 40 20 10 80 40 20 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect? SO₃ CO₂ H₂ N₂ SO₃ CO₂ H₂ N₂ ANSWER DOWNLOAD EXAMIANS APP