Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around ______________ cm/hr?
Correct answer: A. 2.5
- A. 2.5
- B. 0.5
- C. 10
- D. 20
Explanation
In narrow coke ovens operated for high-temperature carbonisation, the heat penetrates the coal charge at approximately 2.5 cm per hour. The rate is limited mainly by heat conduction through the coal mass.
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