Pratiksha

Evaporation: In this process due to solar radiation, during the day time the water in the liquid form is transformed into gaseous form.

Ventilation is defined as the process by which stale air inside an enclosure is replaced by fresh air from outside.

Mineralogy is the study of minerals. It deals with understanding their origin, physicochemical properties, magnetic and optical properties.

Workability of concrete is defined as that property of fresh concrete which determines the ease and homogeneity and finished.

Canal fall is a structure which has been constructed across a channel. To permit lowering down of its water level and to dissipate the surplus energy passed by the falling water.

Folds when crustal rocks are subjected to stress over a period of time, they compress and form folds.

Admixture are the materials used in the cement to modify one or more of its properties in the plastic or hardened state of concrete.

Canal lining is the impervious layer which protects the bed and sides of the canal. Lining is generally a construction of a thin 2.5 to 15 cm thick layer of lining material, generally RCC or CC bricks, stones etc.

Shrinkage is the decrease in volume of concrete in the absence of load with time. In the plastic stage concrete shrinks in volume due to absorption of water or loss of water.

Ventilation is defined as the process by which stale air inside an enclosure is replaced by fresh air from outside.