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Chemical Engineering · Q172

Environmental Engineering

Engineering and GATE · Chemical Engineering · question 172

Q172

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 of the above
Answer

Answer: Option D

Solution

Answer: Option D
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