Civil Engineering - Building Materials - Discussion

Discussion Forum : Building Materials - Section 1 (Q.No. 10)
10.
In the cement the compound quickest to react with water, is
Tricalcium aluminate
Tetra-calcium alumino-ferrite
Tricalcium silicate
Dicalcium silicate.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
33 comments Page 2 of 4.

Amit pandey said:   5 years ago
Option B is correct.

The Rate of hydration C4AF>C3A>C3S>C2S.
The Heat of hydration C3A>C3S>C4AF>C2S.
(5)

Rabindra said:   7 years ago
Flash set is the property of concrete by which upper surface of concrete become hard without setting the inner portion.

Rabindra said:   7 years ago
Flash set is the property of concrete by which upper surface of concrete become hard without setting the inner portion.

Yasir said:   7 years ago
Tricalcium aluminate results into flash setting of cement and in order to prevent flash setting Gypsum is added.

Abhishek said:   7 years ago
C4AF is quickest to react.

It has the highest rate of heat evolution among all other Bogue's compound.

Aman said:   4 years ago
The first compound to be formed in the manufacturing of cement is?

Can anyone answer this?
(2)

Sinduja said:   1 decade ago
Water react with cement. It is a dicalcium silicate. Then why it is tricalcium aluminate?

Pramit Samanta said:   5 years ago
Decreasing order of rate of hydration.

C4AF > C3A > C3S > C2S.
(1)

Shri Kant Pandey said:   5 years ago
Rate of Hydration C4AF>C3A.

So, option B is the correct answer.
(2)

Rabindra said:   7 years ago
What is the difference between false set and flash set of cement?


Post your comments here:

Your comments will be displayed after verification.