Scale formation in boiler is controlled by – McqOptions

MCQOPTIONS

1.	Scale formation in boiler is controlled by
A.	preheating of feed water.
B.	reduction in hardness, silica & alumina in feed water.
C.	keeping the pH value of feed water just below 7.
D.	eliminating H₂S in feed water.
Answer» C. keeping the pH value of feed water just below 7.

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