For the construction of cement concerted dams, the maximum permissible size of the aggregates, is

Inert material of a cement concrete mix, is

The increased cohesiveness of concrete, makes it

Durability of cement concrete generally improves by

The ratio of various ingredients (cement, sand, aggregates) in concrete of grade M20, is

The operation of removing humps and hollows of uniform concrete surface, is known as

Too wet concrete may cause

The cement concrete, from which entrained air and excess water are removed after placing it in position, is called