Thermal efficiency of furnaces can be improved by____________________?
(A) Waste heat recovery from flue gas
(B) Minimising heat losses from furnace walls
(C) Maintaining proper draught
(D) All
Thermal efficiency of furnaces can be improved by____________________?
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- Previous:Pick out the correct statement?
- Next:Power required in case of forced draught as compared to induced draught (for the same draught produced) is___________________?
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