Surveying

Answer

Surveying is the art of determining positions of objects on the ground by linear and angular measurements and presenting them on a flat sheet of paper on a selected scale. It helps in making maps and …

Answer

Surveying helps prepare maps of small and large areas. It is useful for roads, railways, buildings, multipurpose projects, town development, forest boundaries, and agricultural land boundaries. It mak…

Answer

Survey can be classified on the basis of accuracy, purpose, and instruments used. These three bases help group surveys according to their aim and method.

Answer

Triangulation is a very accurate survey in which the area to be surveyed is divided into small triangles. Each triangle is measured by a suitable instrument such as chain and tape.

Answer

Traversing is a quick but less accurate method of survey. It is used for preparing ordinary maps.

Answer

The types are topographical surveying, cadastral surveying, geological surveying, and military surveying. These are grouped according to the purpose of the survey.

Answer

The types are chain and tape surveying, plane table surveying, and prismatic compass surveying. Among these, plane table surveying is discussed in detail in the chapter.

Answer

The greatest advantage is that field work and plotting are done simultaneously in the field itself. Because of this, no field book is required and time spent in plotting is saved.