Environmental Engineering in CE World environment day is observed every year on the 5th of December July June September December July June September ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 9 to 10 15 to 20 1 to 2 4 to 5 9 to 10 15 to 20 1 to 2 4 to 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from petroleum refineries is CO, SO₂ & H₂S CO₂, H₂S & NO₂ SO₃, NO₂ & CO₂ CO₂, NO & SO₃ CO, SO₂ & H₂S CO₂, H₂S & NO₂ SO₃, NO₂ & CO₂ CO₂, NO & SO₃ 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 Bi-carbonates Chlorides Carbonates Sulphides Bi-carbonates Chlorides Carbonates Sulphides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of bacteria in potable (drinking) water causes Bad odour Turbidity Disease Bad taste & colour Bad odour Turbidity Disease Bad taste & colour ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters? I-131 Ra-226 Au-198 Sr-90 I-131 Ra-226 Au-198 Sr-90 ANSWER DOWNLOAD EXAMIANS APP
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