The deleterious materials present in the aggregate
(a) Prevent normal hydration of cement
(b) Reduce the strength and durability of concrete.
(c) Modify the setting action and cause efloresecence.
(d) All of the above
(a) Prevent normal hydration of cement
(b) Reduce the strength and durability of concrete.
(c) Modify the setting action and cause efloresecence.
(d) All of the above