Question

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.

Answer: (c).release of non-condensable gas from water in the boiler.

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

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