Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
Coke is produced. | |
A. | when coal is first dried and then crushed to a fine powder by pulverising machine [Wrong Answer] |
B. | from the finely ground coal by moulding under pressure with or without a binding material [Wrong Answer] |
C. | when coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel [Correct Answer] |
D. | by heating wood with a limited supply of air to a temperature not less than 280°C [Wrong Answer] |