by heating wood with a limited supply of air to a temperature not less than 280°C

when coal is first dried and then crushed to a fine powder by pulverising machine

from the finely ground coal by moulding under pressure with or without a binding material

when coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel

Coke is produced – McqOptions

1.	Coke is produced
A.	when coal is first dried and then crushed to a fine powder by pulverising machine
B.	from the finely ground coal by moulding under pressure with or without a binding material
C.	when coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel
D.	by heating wood with a limited supply of air to a temperature not less than 280°C
Answer» D. by heating wood with a limited supply of air to a temperature not less than 280°C

Discussion