1.

Waste water flowing with TSS concentration 40 mg/L at the rate of 10 Liter/min is discharged into the river if the river is flowing at the rate of 15 Liter/min, what is the concentration of TSS in the river?(a) 10 mg/L(b) 30 mg/L(c) 45 mg/L(d) 60 mg/L

Answer» Right option is (d) 60 mg/L

The best I can explain: Concentration of TSS in river = 40*15/10 = 60 mg/L.


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