Natural draft created by the chimney depends upon _____________________?
Correct answer: C. Both A. & B.
- A. Temperature of the flue gas
- B. Its height
- C. Both A. & B.
- D. Neither A. nor B.
Explanation
Chimney draft increases with chimney height and with the temperature difference between hot flue gas and outside air. Hence both listed factors control natural draft.
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