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Civil Engineering - Concrete Technology - Discussion

Discussion Forum : Concrete Technology - Section 3 (Q.No. 21)
Concrete Technology
21.
Pick up the correct statement from the following:
Calcium chloride acts as a retarder
Gypsum (calcium sulphate) acts as an accelerator
Gypsum (calcium sulphate) acts as a retarder
Calcium chloride acts as an accelerator
Both (c) and (d).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.
Shashank said:   5 years ago
Explain the answer.
Tejas said:   5 years ago
Accelerate is mainly work on increase the rate of change.
A.E ARUNKUMAR P.W.D said:   5 years ago
With 2 to 3 Percentage of gypsum help us to increase the time of setting, while in quick setting cement, gypsum content is less.

CaCl always accelerator.
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