 Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1 (a) Enlist Various methods of plane tabling and explain with sketch any one Method.
7 M
1 (b) State different methods of measurement of horizontal angle using theodolite and explain any one method.
7 M

2 (a) Following are the length & bearings of the sides of a closed traverse ABCD. Find out the length & bearing of line DA.
 Line Length in mt. Bearing AB 75.50 139° 30' BC 195.00 35° 50' CD 38.10 339° 10' DA ? ?
7 M
2 (b) What is "closing error"? What are the different methods of balancing the closing error in a closed traverse? Explain any one method.
7 M
2 (c) What is sounding? State different methods of locating sounding and explain any one method.
7 M

3 (a) The areas enclosed by the contour of a lake are as under.
 Contour level (mt) 270 275 280 285 290 Area in Sq.mt 2050 8400 16300 24600 31500

Calculate the volume of water stored between contour 270 mt& 290 mt. by (i) Trapezoidal formula & (ii) Prismoidal formula.
7 M
3 (b) Explain in detail the procedure for finding out area of an irregular figure using Planimeter.
7 M
3 (c) Derive an expression for computing horizontal distance and elevation in trigonometric levelling while base of the object is inaccessible & instrument stations are in the same vertical plane with elevated object and instrument axis are at same level.
7 M
3 (d) Describe various accessories required for plane table survey with neat sketch and also write their use.
7 M

4 (a) Calculate the reduced level of the top of a chimney from the following observations.
 Inst. Stn Staff Reading Vertical angle with top of a Chimney RL of BM A 2.870 28° 42' 100.00mt B 3.750 18° 06'

The top of Chimney & the station A & B are in the same vertical plane. Inst. Station A & B are 100 mt apart and station A being nearer to the chimney.
7 M
4 (b) Explain various objectives of hydrographic survey. Also enlist equipments used for sounding & explain any one in brief.
7 M
4 (c) Why curves are provided on highways & railways? Draw a typical simple circular curve & show various elements on it.
7 M
4 (d) Describe the method of setting out a simple circular curve by Rankine's deflection angle method with a neat sketch.
7 M

5 (a) Explain the procedure for setting out a culvert.
7 M
5 (b) Two tangent intersect at a chainage of 1320.5 mt. The deflection angle being 24° . Calculate the following quantities for setting out a simple circular curve of radius 275 mt. (i) Tangent length (ii) Length of long chord (iii) Length of curve (iv) Chainage of point of commencement & tangency. (v) Apex distance (vi) Versed sine of curve.
7 M
Write short note on
5 (c) (i) Transition curve
4 M
5 (c) (ii) Vertical curves.
3 M
5 (d) Explain Temporary adjustment of theodolite and also write uses of theodolite.
7 M

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