Corrosion in boilers can be prevented by – McqOptions

MCQOPTIONS

1.	Corrosion in boilers can be prevented by
A.	deaeration of feed water.
B.	enhancing pH of feed water by adding alkali.
C.	feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion.
D.	all (a), (b) and (c).
Answer» E.

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