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Civil Engineering - Building Materials - Discussion

Discussion Forum : Building Materials - Section 3 (Q.No. 22)
Building Materials
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 2 of 3.
Bhaskar said:   7 years ago
C is the appropriate answer. I agree with the given answer.
Rabindra said:   7 years ago
Nice @Ankit.
Mahboob Ali said:   7 years ago
Option C is CORRECT.

Because quick setting cement mainly produced by adding a small amount of ALSO4 and fine grinding other than RHS OR OPC. And reduced CASO4 (GYPSUM).
Manish Goley said:   8 years ago
I think it is both A and C.
Lal bahadur bairwa said:   8 years ago
Answer is A and C because gypsum is retarded setting time and aluminum sulphate is produced quick setting but best answer is C.
Ravinder Poonia said:   8 years ago
The Correct answer is A Because gypsum is such a chemical compound which is liable for the setting of cement.
Ajay said:   8 years ago
Gypsum is an retarder not accelerater.
Ranjan said:   9 years ago
I think the option will be both A and C.
Bishal said:   9 years ago
The answer will be option A. Because gypsum is such a chemical compound which is liable for the setting of cement.
Srinivas said:   10 years ago
For normal cement gypsum add 2% which causes increasing setting time.
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