Q349
For the manufacture of Portland cement, the proportions of raw materials used, are
A.
Lime 63% ; silica 22% ; other ingredients 15%
AnswerB.
Lime 22% ; silica 63% ; other ingredients 15%
C.
Silica 40% ; lime 40% ; other ingredients 20%
D.
Silica 70% ; lime 20% ; other ingredients 10%
Answer: Option A
Solution
Answer: Option A
No explanation is given for this question Let's Discuss on Board