Civil Engineering Mcqs

For satisfactory working of a sludge digestion unit, the pH range of digested sludge should be maintained as___________________?

(A)  4.5 to 6.0

(B)  6.5 to 8.0

(C)  8.5 to 10.0

(D)  10.5 to 12.0

Submitted By :Ali Uppal

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