Civil Engineering - Concrete Technology - Discussion
Discussion Forum : Concrete Technology - Section 4 (Q.No. 30)
30.
Setting time of cement increases by adding
Discussion:
37 comments Page 1 of 4.
Jitendra yadav said:
1 year ago
A is the right answer.
Bugti Mehdi said:
2 years ago
Adding calcium chloride accelerates the setting time and decreases it while adding gypsum retards the setting time and increases it.
Izhar Ahmad said:
3 years ago
Agre, Gypsum is the correct answer.
Ihcan khan said:
4 years ago
The given answer is absolutely right, gypsum slow down the setting and increases the setting time of concrete.
Mujahid aziz said:
4 years ago
Gypsum is a retarder:it means setting time increase and reduce early setting of cement.
Accelerator: as the name indicate it increase the setting and decrease setting time.
Accelerator: as the name indicate it increase the setting and decrease setting time.
Sanoj kerketta said:
4 years ago
Opt C is the correct answer.
Ali Raza said:
5 years ago
@All.
Gypsum is retarder: it decreses setting of cement hence increases setting time because more time is required for the cement to set. Calcium chloride is accelerator: it accelerates the setting of cement hence decreases the setting time as less time is required for cement to set.
Gypsum is retarder: it decreses setting of cement hence increases setting time because more time is required for the cement to set. Calcium chloride is accelerator: it accelerates the setting of cement hence decreases the setting time as less time is required for cement to set.
NishantSrivastava said:
5 years ago
There is a difference between setting and setting time.
Settings time increase by gypsum. And setting is increased by calcium chloride.
Settings time is deceased by calcium chloride. And setting is deceased by gypsum.
Settings time increase by gypsum. And setting is increased by calcium chloride.
Settings time is deceased by calcium chloride. And setting is deceased by gypsum.
(1)
Kushal said:
5 years ago
Rate of setting is increased by adding calcium chloride but not setting time. So, Answer A is correct.
Nivedita Yadav said:
5 years ago
Gypsum retards the setting time.
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