Blast furnace gas compared to coke oven gas has_________________?
Correct answer: D. Lower theoretical flame temperature
- A. Lower ignition temperature
- B. Narrower limit of inflammability
- C. Higher calorific value
- D. Lower theoretical flame temperature
Explanation
Blast furnace gas is diluted by large amounts of nitrogen and carbon dioxide and contains less combustible material than coke oven gas. Its theoretical flame temperature is consequently lower.
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