Civil Engineering - Concrete Technology - Discussion

27. 

Workability improved by adding

[A]. air-entraining agent
[B]. foaming agent
[C]. oily-agent
[D]. aluminium compound
[E]. all the above.

Answer: Option E

Explanation:

No answer description available for this question.

Santhosh said: (Feb 21, 2017)  
Aluminium powders itself is an air entertaining agent.

Azad said: (Jul 13, 2017)  
What does oily agent means?

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