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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