Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around __________ cm/hr.

Question: Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around __________ cm/hr.
[A].

2.5

[B].

0.5

[C].

10

[D].

20

Answer: Option A

Explanation:

No answer description available for this question.