The basic purpose of a retarder in concrete is
A. To increase the initial setting time of cement paste in concrete
B. To decrease the initial setting time of cement paste in concrete
C. To render the concrete more water tight
D. To improve the workability of concrete mix
Answer: Option A
This Question Belongs to Civil Engineering >> Building Materials
B correct
Option B is a correct answer ....
Retarder is used in concrete to slow down the initial setting time of concrete
answer is B