Details:

What is the surveying ? 

And, When the position  bearing  and orientation or actual location are located,  it is called Surveying.

2. Type of Survey ? 

And,  There are mainly two type

a) Plane Survey (b) Geodatic Survey

Q.3 What are. Different between  Plane Survey & Geodatic Survey ? 

And, A) Plane Survey.

i) When Two points are closed , it is called Plane Survey.

ii) Plam bob line is parallel in case of Plane Survey .

iB) Geodatic Servey.

i) When two points are far so that earth's curvature is consider,  it is call Geodatic Survey.

ii)Plam Bob line always intersect at centre of earth .


Q.4. What is chain Survey ?

And. When measurement any two points by chain .this length is call drainage and this Survey is know as chin Survey .