After casting, an ordinary cement concrete on drying

Pozzolana cement is used with confidence for construction of

Internal friction between the ingredients of concrete, is decreased by using

Non-uniform compaction may cause the concrete

For ensuring quality of concrete, use

The process of proper and accurate measurement of concrete ingredients for uniformity of proportion, is known

Vicat's apparatus is used for

Workability improved by adding

Pick up the correct statement from the following:

Sands of zone I are

To hydrate 500kg of cement full water needed, is

Permissible compressive strength of Mconcrete grade is

The following proportion of the ingredients of concrete mix, is not in conformation to arbitrary method of proportioning

Pick up the correct statement from the following:

Slump test is done for

While designing an air entrained concrete

Proper proportioning of concrete, ensures

Hydration of cement is due to chemical action of water with

Water cement ratio is

For road pavements, the cement generally used, is

Log Angles machine is used to test the aggregate for

According to I.S. :the number of grades of concrete mixes, is

Pick up the correct statement from the following:

Mgrade of concrete approximates

The commonly used material in the manufacture of cement is

The lower water cement ratio in concrete, introduces

Separation of water or water sand cement from a freshly concrete, is known

To obtain a very high strength concrete, use very fine grained

For preparing a test-specimen, it is necessary

The increased cohesiveness of concrete, makes it