Environmental Engineering in CE The commonest form of iron & manganese found in ground water as pollutant is in the form of their Carbonates Bi-carbonates Chlorides Sulphides Carbonates Bi-carbonates Chlorides Sulphides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 200 170 140 120 200 170 140 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible residual chlorine in treated water should be __________ mg/litre. 2 to 3 02 to 0.3 5 to 10 0.001 to 0.01 2 to 3 02 to 0.3 5 to 10 0.001 to 0.01 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 80% less than 200 mesh size particles are called Smoke Powder Aggregates Grit Smoke Powder Aggregates Grit ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 4 to 5 1 to 2 15 to 20 9 to 10 4 to 5 1 to 2 15 to 20 9 to 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant used for the removal of SO₂ from gas/air? Silica gel Active carbon Limestone powder or alkalised alumina Bog iron Silica gel Active carbon Limestone powder or alkalised alumina Bog iron ANSWER DOWNLOAD EXAMIANS APP
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