Thermal efficiency of furnaces can be improved by Options: A . &nbspwaste heat recovery from flue gas. B . &nbspminimising heat losses from furnace walls. C . &nbspmaintaining proper draught. D . &nbspall (a), (b) and (c).

Thermal efficiency of furnaces can be improved by

Question

Thermal efficiency of furnaces can be improved by

Options:

A . waste heat recovery from flue gas.

B . minimising heat losses from furnace walls.

C . maintaining proper draught.

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

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

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