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 2 of 4.
Nivedita Yadav said:
5 years ago
Gypsum retards the setting time.
Devraj sablaniya said:
8 years ago
Gypsum used as retarder it's slow down the reaction rate so initial setting time will increase.
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.
Sanoj kerketta said:
4 years ago
Opt C is the correct answer.
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.
Ihcan khan said:
4 years ago
The given answer is absolutely right, gypsum slow down the setting and increases the setting time of concrete.
Izhar Ahmad said:
3 years ago
Agre, Gypsum is the correct 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.
Jitendra yadav said:
1 year ago
A is the right answer.
Suman said:
9 years ago
Calcium chloride is 100% right answer gypsum is decreasing for setting time of cement.
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