Civil Engineering - Concrete Technology - Discussion
Discussion Forum : Concrete Technology - Section 2 (Q.No. 11)
11.
Hardening of cement occurs at
Discussion:
74 comments Page 2 of 8.
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.
So, Option A is correct.
(1)
Nit said:
10 years ago
Strength of cement increases initially but after cement strength goes on decreasing. Approximately 50 % after 24 months period.
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
Ram said:
7 years ago
Concrete gets 100 % hard in first 10 hours and it's totally different from strength of concrete so option D is correct.
Manzoor said:
7 years ago
Given answer is correct because it talks of cement not concrete and hardening is something different than strength.
Khalid said:
10 years ago
I think answer should be A because I read in many literature heat of hydration in 3 days is occurred about 50%.
Bharath E said:
9 years ago
Yes, answer D is correct, it is clearly mentioned in question as Cement and not mentioned concrete anywhere.
Rima said:
1 decade ago
Answer must be A.
Concrete gets harder after initial setting time and its continuous also after 28 days.
Concrete gets harder after initial setting time and its continuous also after 28 days.
Harshdeep said:
9 years ago
It is cement not concrete. So it setting hardening depends upon many factor and one is type of cement.
(1)
Hemendra maurya said:
7 years ago
Answer A is correct because cement hydrates rapidly but it gains ultimate strength at decreased rate.
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