Environmental Engineering in CE Which of the following is the most efficient for removal of very finely divided suspended solids and colloidal matter from the polluted water stream? Chemical coagulation Sedimentation tank Mechanical flocculation Circular clarifier Chemical coagulation Sedimentation tank Mechanical flocculation Circular clarifier ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Peroxyacyl nitrate (PAN), a pollutant is found in the Exhaust of nitric acid plant Flue gas of coal based power plant Automobile exhaust Exhaust of sulphuric acid plant Exhaust of nitric acid plant Flue gas of coal based power plant Automobile exhaust Exhaust of sulphuric acid plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Persons working in cement plants and limestone quarries are more prone to disease like Flourosis (bone disease) Silicosis Asthma Cancer Flourosis (bone disease) Silicosis Asthma Cancer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE BOD of raw municipal sewage may be in the range of about __________ mg/litre. 150-300 5-10 2000-3000 1-2 150-300 5-10 2000-3000 1-2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by Lagoons Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) Filtration Biological oxygen pond Lagoons Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) Filtration Biological oxygen pond ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes Corrosion, tarnishing & soiling of metals Fading of dyes on textiles All of these Reduced strength of textiles Corrosion, tarnishing & soiling of metals Fading of dyes on textiles All of these Reduced strength of textiles ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS