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Waste Water Engineering - Engineering

Q1:

In a sludge digestion tank if the moisture content of sludge V1 litres is reduced from p1 % to p2 % the volume V2 is

A

B

C

D

ANS:C -

V1P1 = V2P2.
V2 = V1P1/P2 = V1(100-P1)/(100-P2).