Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by
A. Biological oxygen pond
B. Radial settling tank (thickener) using coagulant (lime & ferrous sulphate)
C. Lagoons
D. Filtration
Answer: Option B
Related Questions on Environmental Engineering in CE
Fluorosis is caused due to the presence of excessive amount of __________ in drinking water.
A. Mercury
B. Lead
C. Fluoride
D. Arsenic
Smog is not formed due to the presence of __________ in the atmosphere.
A. SO2
B. NOx
C. CO2
D. Any of these
Dose of chlorine for disinfection of water is about __________ mg/litre of water.
A. 0.01
B. 0.1
C. 0.3
D. 1
Join The Discussion