What is theodolite || Types of theodolite || Fundamental lines of theodolite || Functions of theodolite.|| theodolite uses .

 In this blog, we will discuss what is theodolite, the types of theodolite, fundamental lines 

of theodolite, uses of theodolite in detail.

            Basic information about theodolite

1.       What is theodolite?

               Theodolite is a precision optical instrument that is used to measure

horizontal and vertical angles. Its accuracy depends upon its least count.

2.       What are the types of theodolite?

There are two types of theodolite

·         Transit Theodolite.

·         Non-transit Theodolite.

  

3.       Differentiate between transit and non-transit theodolite?

Transit:-

          That type of theodolite whose telescope can rotate 180 degrees in the vertical

a plane is called transit theodolite.

Non-transit:-

                     That type of theodolite whose telescope can rotate 360 degrees in the vertical plane is

called a non-transit theodolite.

4.      State the type of theodolite. According to observing reading?        

 There are four types of the theodolite. According to observing reading:-        

1) Vernier theodolite

       2)   Microptic theodolite

         3)  Electronic theodolite

   4) Digital theodolite 

5.    Explain different parts of theodolite?

There are many parts of the theodolite. Some of these are as follows

·         Telescope

                                 This is an important part of a theodolite. It is used to sight the object. It can move

in horizontal and vertical planes.

·         Standard

The standard is the frame in letter A-shape, which sport the telescope.

·         Eyepiece for reading

The eyepiece for reading is used to clearly observe the reading. It is also an essential

part of the theodolite.

·         Object glass

 Object glass is the part of telescope, which is used to sight the object. Its direction is toward the object that has to be sighted.

 

·         Peep sight

Peep sight makes it possible to point the telescope at the target very speedily and quickly.

 

6.     Fundamental lines of theodolite?

·         Axis of the telescope.

·         Axis of bubble tube

·         Line of collimation

·         Vertical axis

·         Horizontal axis

1.       Axis of the telescope?

The imaginary line that matches the optical center of the object glass and the eyepiece for the object is called the axis of the telescope.

2.       What is the bubble axis?

A straight line that is tangential to the longitudinal curve of the level tube at the center is

called the axis of the bubble tube.

3.    What is the line of collimation?

Line of collimation:-

The imaginary line that passes through the cross-hair intersection point and center of object glass and moves forward is called the line of collimation.

 Uses of theodolite:-

 

                                         1)     It is used to measure horizontal and vertical angles.

·         It is used to measure horizontal and vertical distance.

·         It is used measure the height of an object.

·         It is also used for levelling work.

·         It is used for prolonging of line.

·         It is used for trigonometric levelling.




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