For preparing ordinary concrete, the quantity of water used, is

The function of aggregates in concrete is to serve as

The bulk density of aggregates depends upon its

The hardening is the phenomenon by virtue of which

The sum of the percentage of tricalcium silicate and dicalcium silicate for Portland cement varies from

The maximum particle size of coarse aggregate is

Le-Chatelier's apparatus is used for testing

The main requirement, which a ware-house should fulfill is that