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Consider the ...

Question

Consider the following statements : The addition of $C a C l_{2}$ in concrete results in
1. increased shrinkage
2. decreased setting time
3. decreased shrinkage
4. increased setting time
Which of the above statements is are/correct?

A

1 only

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B

2 and 3

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C

3 and 4

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D

1 and 2

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Solution

The correct option is D 1 and 2
$C a c l_{2}$ acts as a accelerator. Therefore, it decreases setting time and increase the shrinkage. So, option (d) is correct.

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