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 Smog is not formed due to the presence of __________ in the atmosphere. SO₂ Any of these CO₂ NOx SO₂ Any of these CO₂ NOx 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 Sulphides Bi-carbonates Chlorides Carbonates Sulphides Bi-carbonates Chlorides ANSWER DOWNLOAD EXAMIANS APP
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. 4 1 12 8 4 1 12 8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 0.1 0.01 1 0.3 0.1 0.01 1 0.3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools). 43961 43832 15-20 25-30 43961 43832 15-20 25-30 ANSWER DOWNLOAD EXAMIANS APP
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