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.

Himanshu gupta said: 6 years ago

It is for rapid hardening cement. But for quick setting cement, it is option C.

Srinivas said: 10 years ago

For normal cement gypsum add 2% which causes increasing setting time.

OPSC AEE said: 6 years ago

@Srinivas.

Plasticizers - 1%
Calcium chloride - 2%
Gypsum - 0.5%

Bhaskar said: 7 years ago

C is the appropriate answer. I agree with the given answer.

Alee said: 6 years ago

Gypsum is retarder. It delays the setting time.

Ranjan said: 9 years ago

I think the option will be both A and C.

Ajay said: 8 years ago

Gypsum is an retarder not accelerater.

Arsh afroz said: 5 years ago

Yes, A is the appropriate answer.

(1)

Manish Goley said: 8 years ago

I think it is both A and C.

Sharath T Raj said: 7 years ago

Option C is correct.

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