Environmental Engineering in CE Siderosis is a disease caused by the inhalation of __________ dust. Silica Iron Coal None of these Silica Iron Coal None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 1500 to 2500 100 to 200 10 to 20 4000 to 5000 1500 to 2500 100 to 200 10 to 20 4000 to 5000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart No. 2 corresponds to __________ percent black smoke. 20 80 10 40 20 80 10 40 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? All of these Photochemical smog Sulphur dioxide Ozone All of these Photochemical smog Sulphur dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of dissolved impurities of __________ is responsible for the red brownish color of water. Arsenic Iron & manganese Bi-carbonates Carbonates Arsenic Iron & manganese Bi-carbonates Carbonates ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the All of these Acceleration of corrosion rates of metals Increased drying & hardening time of paints Reduction in strength of leather & cloth All of these Acceleration of corrosion rates of metals Increased drying & hardening time of paints Reduction in strength of leather & cloth ANSWER DOWNLOAD EXAMIANS APP