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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.
There are mainly three types of surveys which are as follows: Reconnaissance survey, Detailed survey, Preliminary survey etc.
Piers are single unit supports carrying heavy loads and transferring them to deep-seated layers of soil or rock.They are of three types.
A cofferdam is a temporary structure designed to keep water and soil out of the excavation in which a bridge pier or other structure is built.
"Caissons" means box. Such box can be prefabricated on shore and then floated to the desired site, and is allowed to seat on prepared base.
Seismic waves are the waves which are formed by sudden breaking of rock within the earth. There are two types of waves: Body and Surface waves.
The principle of under-reamed pile foundations is the anchoring of the superstructure at a depth where the volume changes of soil are negligible.
Underground power stations are in danger of falling rocks and snow avalanches. It is a valley from the site for a hydro power plant.
Workability of concrete is defined as that property of fresh concrete which determines the ease and homogeneity and finished.
In Reaction turbine, Pressure energy is first converted into kinetic energy before supplied to runner. It works on impulse reaction principle.
Ventilation is defined as the process by which stale air inside an enclosure is replaced by fresh air from outside.
The intake structure has to be provided with trash racks screens, control valve prevent the entry of debris and ice into the turbines.
The Roads are classified according to Nagpur plan, traffic and tonnage.
White wash is a mixture of slaked lime with water for covering to the plastered or pointed surface applied in one ,two or three coat.
Earthquakes are the earth's natural means of releasing stress. When the earth's plates move against each other, stress is put on the lithosphere.
The Plastic is an organic substance of high molecular weight which consist of natural and synthetic binders with or without fillers.