# Corrosion in boilers can be prevented by _________________? with Answer - Chemical Engineering Mcqs | ExamZone

> Solved MCQ: Corrosion in boilers can be prevented by _________________? Correct Answer: D. All A., B. and C.. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# Corrosion in boilers can be prevented by _________________?

Direct Answer & Quick Reference

The correct option is **D. All A., B. and C.**.

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

D. All A., B. and C. **(Correct Answer)**

Verified Key: D. All A., B. and C.
Solved by 1,924+ students

Verified against official examination board answer keys and standard curriculum textbooks.

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