To reduce the stack loss, heat recovery from flue gas can be done by Options: A . &nbsppreheating of cold stock. B . &nbsppreheating of combustion air. C . &nbspsteam generation in waste heat boilers. D . &nbspall (a), (b) and (c).

To reduce the stack loss, heat recovery from flue gas can be done by

Question

To reduce the stack loss, heat recovery from flue gas can be done by

Options:

A . preheating of cold stock.

B . preheating of combustion air.

C . steam generation in waste heat boilers.

D . all (a), (b) and (c).

Answer: Option D
Answer: (d).all (a), (b) and (c).

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