1.

What effect does bulking have on fresh concrete?(a) Strength reduces(b) Shrinkage increases(c) Volume reduces(d) Workability increases

Answer» Right choice is (d) Workability increases

To elaborate: The excess water in the sand can be used to maintain water-cement ratio.  It improves workability and hence it is easier to place fresh concrete.  Strength is a property of hardened concrete.


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