Civil Engineering - Concrete Technology - Discussion

Discussion Forum : Concrete Technology - Section 4 (Q.No. 15)
15.
Sand requiring a high water cement ratio, belongs to
Zone I
Zone II
Zone III
Zone IV.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
31 comments Page 4 of 4.

Agha Bilal said:   6 months ago
From zone-I to zone-IV, fineness is increasing. So specific surface area (SSA) increases. As SSA increases it requires more water for surface coating.
So, w/c ratio increases from zone I to IV.

Hence, the correct option is (D).
(1)


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