M50 is a ....................... strength concrete

The mixes of fixed cement-aggregate ratio which ensures adequate strength are termed

The ratio of the volume of water to the volume of cement used to form concrete is

termed as

Abram’s law states that 'the strength of concrete is ......................... proportional to the water-cement ratio'

.......................................can be added to concrete to increase workability at low water content

Concrete ........................ refers to how easily freshly mixed

concrete can be placed, consolidated and finished with minimal loss of homogeneity.

The ........................ indicates that the result is incomplete, and concrete to be

retested.

............................of concrete is the separation of ingredients in concrete.

The defect in which water rises to the top of concrete and wash away the cement particles along with is called ..............

..................... is defined as: deformation of structure under sustained load.

.......................... the tendency of an object to deform along

an axis when opposing forces are applied along that axis;

Within the elastic limit , stress is directly proportional to strain. this proportionality constant is called

One bag of cement is equal to ............Litres

The process of proper and accurate measurement of all ingredients of concrete to ensure uniformity of

proportions is called ...................

...................................batching is preferred for important works

The process of mixing the ingredients of concrete by a machine is

known as .................... mixing

For small works, concrete is transported manually through ..................

The removal of entrapped air during production of concrete and the

uniform, dense arrangement of the constituents of concrete are achieved during the

process of .......................

......................... is the process of keeping wet environment on and around the surface of hardened

concrete to prevent the loss of water from the concrete, intended for hydration