Solve any four of the following.

1 (a)
Draw a neat sketch of simple circular curve & show all elements.

5 M

1 (b)
Explain use of computer in surveying.

5 M

1 (c)
Explain principle of EDM.

5 M

1 (d)
Explain field method to determine the constant of a techeometer?

5 M

1 (e)
Differentiate between land survey and construction survey?

5 M

2 (a)
Describe the principle of techeometry and differentiate between fixed hair method and movable hair method of techeometry.

8 M

2 (b)
A fixed hair techeometer fitted with an anallatic lens with instruments constant of 100, was used to determine the slope between point P&Q. The following reading were taken. If the staff was held vertically, compute the gradient from P & Q.

Inst station | Staff station | Bearing | Reading of Stadia hair | Reading of axial hair | Vertical angle |

A | P | 345° | 0.915 2.585 | 1.75 | +15° |

Q | 75° | 0.760 3.715 | 2.24 | +10° |

12 M

3 (a)
What is transition curves? Why it is provided, explain different types of transition curve.

10 M

3 (b)
Two tangents intersect at chainage 1250m. The angle of intersection is 150° Calculate all data necessary for setting out a curve of radius 250m by the deflection angle method. The peg intervals may be taken as 20m.

10 M

4 (a)
What do you understand by setting out work? Explain in detail the procedure for setting out work for a building.

10 M

4 (b)
A gradient of -2.5% meets a gradient of +3.0% at a chainage of 1350 m and elevation of 140m. A vertical curve of length 200m is to be set out with pegs at 20m interval. Calculate the elevation of Pegs by chord gradient method.

10 M

5 (a)
Compare a conventional theodolite with electronic theodolite.

10 M

5 (b)
What is precise levelling? Which instruments are required for it? Explain how it is conducted in the field?

10 M

Write notes on

6 (a)
Total station.

5 M

6 (b)
GPS and Remote sensing.

5 M

6 (c)
Subtense bar method.

5 M

6 (d)
Use of laser in surveying.

5 M

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