223. The most prominent single cause of corrosion in boilertubes, drums, economisers and steam superheaters in a thermal power plant boiler is the

A. Water alkalinity & leakage
B. Hydrazine addition during feed water treatment
C. Release of non-condensable gas from water in the boiler
D. Scale formation
✅ The correct answer is option C.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top