For the same draught produced the power of induced draught fan as compared to forced draught fan is___________?
Correct answer: B. more
- A. less
- B. more
- C. same
- D. not predictable
Explanation
An induced-draught fan handles hot flue gases, whose volume is larger than that of the relatively cool air handled by a forced-draught fan for the same mass flow. It therefore generally requires more power for the same draught.
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