Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Hydrated lime Chloramine Ferrous sulphate Aluminium sulphate Hydrated lime Chloramine Ferrous sulphate Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels. 135 185 105 160 135 185 105 160 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the atmospheric air pollutants are present in large quantity in Mesosphere Stratosphere Thermosphere Trophosphere Mesosphere Stratosphere Thermosphere Trophosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to chemicals having carcinogenic properties cause Asthma Cancer Asphyxiation (suffocation) Dermatitis (skin disorder) Asthma Cancer Asphyxiation (suffocation) Dermatitis (skin disorder) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal In vacuum filter In sedimentation tanks equipped with mechanical scrapper In clarifiers By chemical coagulation In vacuum filter In sedimentation tanks equipped with mechanical scrapper In clarifiers By chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 0.01 0.1 1 4 0.01 0.1 1 4 ANSWER DOWNLOAD EXAMIANS APP
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