SBPS is a fast and accurate method of determining the location of any point of interest anywhere on the face of the earth of any time during day or night.

A Science and art of collecting information about objects, area from long or short distance without doing any physical contact with them is called remote sensing.

On the basis of purpose of construction of reservoir, it is classified into three types: Storage, Flood control and Distribution reservoir.

The Notice which invites tenders which is a written offer submitted by the contractors for carrying out the work at certain rates with terms and conditions laid down is called tender notice.

In this process the oxygen is absorbed and carbon dioxide is released. It reduces the percentage of carbon dioxide up to 70%

It is a process of cleaning water to destroy bacteria and all the microorganisms. In the harmful and harmless bacteria are killed

Geographical Information System(GIS) is computer software which gives information of any discipline.

Project management is the act of getting people together to achieve the desired goal, human organization and objective of any business.

Sedimentation is used to remove fine particles. The sewage is kept quiescent, for a given period, in a sedimentation basin.

The intake structure has to be provided with trash racks screens, control valve prevent the entry of debris and ice into the turbines.

It gives the approximate cost of the work and is prepared on the basis of the cost of similar works carried out in the past

An estimate is defined as the process of calculating the probable quantities and costs of various items required in connection with work.

Underground power stations are in danger of falling rocks and snow avalanches. It is a valley from the site for a hydro power plant.

The dams which are constructed of earthen materials such as gravel, sand, silt and clay are called earthen dams

The materials which exhibit this property of superconductivity are known as Superconductors.

Maxwell’s equations explain the unique co-occurrence of the electric field and the magnetic field.

Diffraction can be defined as bending of light when it passes around the edge of an object.

Interference of waves occurs when two or more waves overlap at a given point.

Compton discovered the most important confirmation about the particle aspect of radiation.

The effect of magnetic field on the atomic spectral lines is known as Zeeman Effect.