The basic purpose of a retarder in concrete is – McqOptions

MCQOPTIONS

1.	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» B. To decrease the initial setting time of cement paste in concrete

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