Q. Coking is (Solved)
1. In boiler furnace some coal becomes plastic and forms lumps or masses of coke
2. Making cakes of coal out of fine powders
3. Coal produced from burning of wood in inert atmosphere
4. Free burning coals are known as coking coals
5. None of the above
- a. In boiler furnace some coal becomes plastic and forms lumps or masses of coke