Question

Why is Sodium Sulphite added into the feedwater at the suction of the boiler feed pump?

a.

to maximise the effect of dissolved gases

b.

to minimise the effect of dissolved gases

c.

to increase feedwater concentration

d.

none of the mentioned

Answer: (b).to minimise the effect of dissolved gases

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Q. Why is Sodium Sulphite added into the feedwater at the suction of the boiler feed pump?

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