Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 1 0.01 0.3 0.1 1 0.01 0.3 0.1 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 Carbonates Chlorides Sulphides Bi-carbonates Carbonates Chlorides Sulphides Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the Acceleration of corrosion rates of metals Increased drying & hardening time of paints All of these Reduction in strength of leather & cloth Acceleration of corrosion rates of metals Increased drying & hardening time of paints All of these Reduction in strength of leather & cloth ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible residual chlorine in treated water should be __________ mg/litre. 0.001 to 0.01 02 to 0.3 2 to 3 5 to 10 0.001 to 0.01 02 to 0.3 2 to 3 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The principal gas evolved from sludge digestion tank is N₂ CO₂ CO CH₄ N₂ CO₂ CO CH₄ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Skimming off Chlorination Settling out using chemical reagents Biological oxidation Skimming off Chlorination Settling out using chemical reagents Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
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