The increased cohesiveness of concrete, makes it

After the final grinding, the cement is sieved thought IS sieve number

Addition of air entraining agents to concrete increases all of the following EXCEPT

Light weight concrete is used for

Setting time of cement can be increased by adding

The type of aggregates of same nominal size, which contain less voids when compacted, are

The importance of batching is to obtain

The approx. ratio of the strength of the cement conc. of 7 days to that of 28 days is