Civil Engineering - Concrete Technology - Discussion

Discussion Forum : Concrete Technology - Section 2 (Q.No. 11)
11.
Hardening of cement occurs at
rapid rate during the first few days and afterwards it continues to increase at a decreased rate
slow rate during the first few days and afterwards it continues to increase at a rapid rate
uniform rate throughout its age
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
74 comments Page 1 of 8.

Hhh said:   4 months ago
Hardening and setting time are different things. though cement may set in 10hrs but hardening continues and A is correct

Agha Bilal said:   7 months ago
Thanks @Sudip Kandel.

Option (D) None of these is correct.

Lechi Naga said:   2 years ago
Hardening of cement occurs due to a chemical reaction between cement and water rapidly in the first few days.

So, Option A is correct.
(1)

Malik Noman kakar said:   3 years ago
Yes, you are correct @Jaggu.
(1)

Mir said:   3 years ago
Agree with you @Jaggu.

Sudip kandel said:   3 years ago
Here in this question, the hardening of cement is mentioned not the hardening of concrete.

If hardening of concrete is considered then option A would have been the correct answer but in the case of hardening of cement, option D is correct.
(6)

Dorna said:   4 years ago
According to the high alumina cement, OPC, PPC, rHpc, studying all nature.

The answer must be D.

Behroz Ali said:   4 years ago
The Answer Must b A.
(1)

Hima said:   4 years ago
Hardness of cement occurs with in 30 minutes to 600 minutes (10 hours).

As Hardness of Cement or Concrete is due to from their Initial and final setting times.

Muneer said:   4 years ago
Hardening occurs rapidly during first few days and continues at the slow rate indefinitely.


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