Relevant Competitive Tests:
The most prominent single cause of corrosion in boiler-tubes, 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 boilerCorrect Answer
D. Scale formation
Correct Option: C. Release of non-condensable gas from water in the boiler
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