Question Paper: Surveying 1 Question Paper - Jun 17 - Civil Engineering (Semester 3) - Mumbai University (MU)
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## Surveying 1 - Jun 17

### Civil Engineering (Semester 3)

Total marks: 80
Total time: 3 Hours
INSTRUCTIONS
(1) Question No. is compulsory.
(2) Attempt any three from the remaining five questions.
(3) Draw neat diagrams wherever necessary

Q1) Compare the following:

(i) Chain Survey and Compass survey.
(5 marks) 00

(ii) Trapezoidal rule and Prismoidal rule.
(5 marks) 758

(iii) Surveyor's compass and Prismatic compass.
(5 marks) 776

(iv) Rise and fall method and Plane of collimation method.
(5 marks) 574

2(a) The following notes refer to the reciprocal levelling:

Find:

• (i) The true R.L. of B
• (ii) Combined corrections for curvature and refraction and Error in collimation adjustment of the instrument.
(5 marks) 565

2(b) Write a detailed note on obstacles in chain surveying.
(5 marks) 765

2(c) A line was measured with steel tape which was exactly 30m at a pull of 5kg and measured length was 229.62m. The pull applied during measurement was 10kg and the tape was uniformly supported. Find the true length of line if the cross-sectional area of tape was $0.02cm^2$ and modulus of elasticity of tape material = $2.1 X 10^6 kg/cm^2$
(5 marks) 00

3(a) Compare closed traverse and open traverse.
(5 marks) 00

3(b) Compare well-conditioned and ill conditioned triangle.
(5 marks) 00

3(c) What is a local attraction? Which are the methods of elimination of local attraction?
(5 marks) 777

(5 marks) 754

4(a) Calculate the included angles for the closed compass traverse ABCDA run clockwise from following data:

Line AB BC CD DA
FB $40^0$ $70^0$ $210^0$ $280^0$

(5 marks) 782

4(b) Calculate the missing quantities for a theodolite survey of closed traverse ABCDA:
(10 marks) 1844

Line AB BC CD DA
Length in m 550 1200 880 1050
Azimuth 60$^o$ ? ? 310$^o$

5(a) Calculate the volume of earth removed for a piece of borrow pit shown. At the corners, the data mentioned is amount of cut in meters. Each square is 9m*9m.

(10 marks) 00

5(b) Describe in detail procedure of taking bearing of a line with theodolite.
(5 marks) 00

5(c) Explain in detail the use of theodolite as a level.
(5 marks) 00

6(a) Define contour. Explain the methods of interpolation of contours.
(8 marks) 756

6(b) Describe the working of Amsler's planimeter.
(5 marks) 00

6(c) Explain how the project of theodolite traversing is executed?
(7 marks) 00