The moisture content of sludge is reduced from 90% to 80% in a sludge – McqOptions

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1.	The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. Thepercentage decrease in the volume of sludge, is
A.	25 % (B) (C) (D)
B.	50 %
C.	10 %
D.	5 %
Answer» C. 10 %

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