1.

Which one of the following is the correct statement ?Smaller size of aggregates in a concrete mix :

A. provides larger surface area for bonding with the mortar matrix which increases the compressive strength and reduces the stress concentration at the mortar-aggregate interface
B. is economical as the concrete mix is more dense
C. requires lesser cement for a particular water-cement ratio and hence is economical
D. is beneficial as these aggregates can pass through the reinforcement bars more easily
Answer» B. is economical as the concrete mix is more dense


Discussion

No Comment Found

Related MCQs