Civil Engineering - Building Materials - Discussion

Discussion Forum : Building Materials - Section 3 (Q.No. 22)
22.
Quick setting cement is produced by adding
less amount of gypsum in very fine powdered form
more amount of gypsum in very fine powdered form
aluminium sulphate in very fine powdered form
pozzolana in very fine powdered form
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
21 comments Page 3 of 3.

Ankit bhadola said:   1 decade ago
Answer is C.

Quick Setting Cement as the name indicates, these types of cements are used where quick setting is needed. The quick setting cement is manufactured by adding a small percentage of aluminum sulphate and then it is finely grinded with cement.

And also for quick setting action a small percentage of gypsum or retarder is added. The aluminum sulphate is mainly added to accelerate the setting time fast.


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