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Land survey is classification of ____
Based on instrument used
Based on object of survey
Based upon the nature of the field
None of the above
Based upon the nature of the field
Land surveying is classified primarily based on the nature of the field being surveyed, which categorizes the scope into land, marine (hydrographic), and astronomical surveys ┬╖ This classification distinguishes surveys based on the physical environment and the specific requirements of the terrain.
Land surveying is classified primarily based on the nature of the field being surveyed, which categorizes the scope into land, marine (hydrographic), and astronomical surveys ┬╖ This classification distinguishes surveys based on the physical environment and the specific requirements of the terrain.
S=LDтАЛ тАФ general representation of surveying scale where D is distance on map and L is length on ground.
The principle involves assessing the characteristics of the surface to be measured ┬╖ For land surveys, the focus is on the surface of the Earth, including terrestrial features such as plains, mountains, and urban areas, whereas marine surveys deal with water bodies and astronomical surveys focus on celestial bodies for locating absolute positions.
Land surveys are conducted on the ground surface to determine features, boundaries, and contours.
Classification based on 'Object' includes Engineering, Military, and Geological surveys.
Classification based on 'Instrument' includes Chain, Compass, Plane Table, and Theodolite surveys.
Nature of field classification includes terrestrial (land), hydrographic (water), and astronomical (celestial).
Facilitates accurate planning for civil engineering projects.
Provides essential data for land ownership and cadastral records.
Susceptible to errors due to terrain irregularities.
Labor-intensive and time-consuming compared to remote sensing.
Topographical mapping
Construction layout
Boundary establishment
Classification by instrument is a functional classification, while classification by object refers to the purpose (e.g., Highway survey).
Option B is incorrect because 'object of survey' refers to the intent (e.g., for architectural design or geological exploration), not the physical environment.
C is correct тАФ Land survey is classified based upon the nature of the field, specifically encompassing terrestrial surface measurements.
Always differentiate between 'Nature of Field' (where you are) and 'Object of Survey' (why you are there) to avoid confusion in exam questions.