Safe condition for storage of high V.M. bituminous coal is that ___________________?
Correct answer: C. Both A. and B.
- A. Height of the coal heap should be < 3 metres
- B. Maximum 200 tons should be stored in a heap
- C. Both A. and B.
- D. Neither A. nor B.
Explanation
High-volatile bituminous coal can self-heat because oxidation is promoted in large, poorly ventilated heaps. Limiting both the heap height to below about 3 m and the heap size to about 200 tons reduces this fire risk.
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