Civil Engineering - Building Materials - Discussion

3. 

Pick up the correct statement from the following:

[A]. Roasting is not necessary if iron ore is an oxide
[B]. Impurities float on the molten iron as slag
[C]. The slag contains lime about 45%
[D]. The molten iron is made to run, in a long channel formed in sand called 'sow'
[E]. All the above.

Answer: Option E

Explanation:

No answer description available for this question.

Post your comments here:

Name *:

Email   : (optional)

» Your comments will be displayed only after manual approval.