Calorific value of coke oven gas is around ______________ Kcal/Nm3?
Correct answer: B. 4200
- A. 900
- B. 4200
- C. 7500
- D. 2000
Explanation
Coke-oven gas contains mainly hydrogen, methane and carbon monoxide, giving it a heating value of roughly 4,000 to 4,500 kcal/Nm³. Thus, 4,200 kcal/Nm³ is the suitable estimate.
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