Chapter 3: Concrete

he process of selection of relative proportions of cement, sand, course aggregate and water, so as to obtain a concrete of desired quantity is known as the ________

In _______ method of volumetric proportions, the proportions of cement, sand and coarse aggregate are fixed or beta really such as 1:2:4 or 1:3:6 etc.

The strength of well compacted concrete with good workability is depend only on the _________

The process of Rolling, folding and spreading of particle is known as the __________ of concrete.

The concrete having bulk density between 5 kN/m³ to 18 kN/m³ is known as _________

The sound absorption of light weight concrete is _________

The _________ is used to measure the workability of concrete mixture which is commonly used in the field.

In ________ test, the workability of concrete is measured in the terms of internal energy required to compact the concrete fully.

The presence of moisture in the sand _____________ the volume of the sand.

Concrete can be formulated with high tensile strength, but always has lower compressive strength.