Smoke point of a good burning kerosene may be around _______________ mm?
Correct answer: B. 20-25
- A. 0-5
- B. 20-25
- C. 60-75
- D. 100-120
Explanation
A good-burning kerosene commonly has a smoke point around 20–25 mm. A higher smoke point indicates cleaner burning with less soot, while the very large values listed are unrealistic for ordinary kerosene.
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