Calorific value of bituminous coal may be around ______________ Kcal/kg?
Correct answer: C. 6500
- A. 500
- B. 1500
- C. 6500
- D. 20000
Explanation
Bituminous coal commonly has a calorific value near 6500 kcal/kg, although the exact value varies with moisture, ash, and rank. The other values are either far too low or unrealistically high for ordinary bituminous coal.
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