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 sedimentation tanks equipped with mechanical scrapper By chemical coagulation In clarifiers In vacuum filter In sedimentation tanks equipped with mechanical scrapper By chemical coagulation In clarifiers In vacuum filter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Chloramine Hydrated lime Aluminium sulphate Ferrous sulphate Chloramine Hydrated lime Aluminium sulphate Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyl and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) Acts as a green house gas thereby raising earth's temperature Causes increase in sea level Inhances the green house effect Causes asphyxia Acts as a green house gas thereby raising earth's temperature Causes increase in sea level Inhances the green house effect Causes asphyxia ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE COD of raw municipal sewage may be in the range of about __________ mg/litre. 5-10 1-2 90-120 1500-2500 5-10 1-2 90-120 1500-2500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following industries discharge mercury as a pollutant? Beverage plant Tanneries Chloro-alkali industry Phosphoric acid plant Beverage plant Tanneries Chloro-alkali industry Phosphoric acid plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? All of these Sulphur dioxide Ozone Photochemical smog All of these Sulphur dioxide Ozone Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
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