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In a furnace employing forced draught as compared to induced draught, | |
A. | air is sucked in, so air leaks are more and hence the furnace efficiency is reduced. [Wrong Answer] |
B. | the fan operates hot and hence blades are liable to corrosion and erosion. [Wrong Answer] |
C. | positive pressure exists in the furnace. [Correct Answer] |
D. | none of these [Wrong Answer] |