Surveying — Summer 2021

Explain any three instruments of plane table survey with sketch

List the fundamental lines of a theodolite and explain briefly the desired relationships between these lines

Define closing error and explain balancing of Traverse.

Draw the neat sketch of simple circular curve showing various elements of it.

State the trapezoidal rule and Simpson’s rule. What is the limitation of Simpson’s rule?

Explain method of Intersection and Traversing for plane tabling

Aclosed traverse was conducted round an obstacle and the following observations were made. Work out the missing quantities Side Length (m) Azimuth AB 500 98o30’ BC 620 30o20’ CD 468 298o30’ DE ? 230o0’ EA ? 150o10’

Explain Zero circle of planimeter

List and explain different types of transition curves

Calculate the ordinates at 10 metres distances for a circular curve having a long chord of 80 metres and a versed sine of 4 metres.

What is the field procedure of the long chord method in setting a curve?

Derive formula for height h and distance Din trigonometric leveling when two instruments are set at same level.1

What is trigonometric leveling? Derive the equation for distance and RL of object when object is not accessible and instrument axis is at different level but in same vertical plane.

Explain parallax bar

Differentiate between (i) Side slope and tranverse slope (ii) contour plan and contour gradient

Explain the method of correlates in theory of errors

Explain stadia method in tacheometry

Discuss the salient features of accidental errors.

What are the factors that affect the selection of site for base line?

What are the various corrections for base line? Discuss what is base net

What do you mean by analytic lens? How are they useful in techeometer?

Explain Total station giving its uses and different functions

Define (i) geodetic surveying, (ii) base line, (iii) well-conditioned triangles

Explain the practical use and benefits of global positioning system (GPS)

Derive the equations for horizontal and vertical distances for inclined sights with staff vertical