Which of the following is unsuitable fuel for producer gas manufacture ?
Correct answer: C. Coal having low fusion point of its ash
- A. Coke
- B. Anthracite
- C. Coal having low fusion point of its ash
- D. Coal having high fusion point of its ash
Explanation
Ash with a low fusion point melts in the producer and forms sticky clinker, obstructing the fuel bed and gas passages. Therefore, producer-gas coal should have ash with a high fusion point.
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