Environmental Engineering in CE Polluted water having low BOD are most economically treated in Sludge digester Sedimentation tanks Clarifier Oxidation ponds Sludge digester Sedimentation tanks Clarifier Oxidation ponds ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reinglemann chart is used for the measurement of the Smoke density from a chimey Exhaust gas density Combustibles present in automobile exhaust Flue gas temperature Smoke density from a chimey Exhaust gas density Combustibles present in automobile exhaust Flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The amount of chemical coagulant added for treatment of polluted water __________ with increase in temperature of the polluted water to be treated. Increases Remains constant May increase or decrease ; depends on the chemical characteristics of polluted water Decreases Increases Remains constant May increase or decrease ; depends on the chemical characteristics of polluted water Decreases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone is A secondary pollutant Impervious to ultra-violet rays A primary pollutant Both B & C A secondary pollutant Impervious to ultra-violet rays A primary pollutant Both B & C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Turbidity of water is an indication of the presence of Suspended inorganic matter Dissolved gases Floating solids Dissolved solids Suspended inorganic matter Dissolved gases Floating solids Dissolved solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 10 1 5 20 10 1 5 20 ANSWER DOWNLOAD EXAMIANS APP