MU Civil Engineering (Semester 3)
Surveying - 1
May 2014
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

Attempt any five
1 (a) Explain Reciprocal Ranging.
4 M
1 (b) What is offset? Explain types along with limiting length of offset.
4 M
1 (c) Characteristics of contour.
4 M
1 (d) Explain with neat sketch Dip and Declination.
4 M
1 (e) Compare 'Prismatic compass and Surveyor's compass.
4 M
1 (f) Horizontal angle measurement by Reiteration method using Theodolite.
4 M

2 (a) The following offsets were taken from a chain line to a Hedge:
 Distance in “m” 0 20 40 60 80 120 160 200 240 270 300 Offsets in “m” 24 20 16 12 8 10 14 16 20 22 26

Calculate the area enclosed by chain line, the hedge and. the end offset by
i) Simpson's Rule
ii) Trapezosdal Rule.
10 M
2 (b) Explain why zero is marked at South in Prismatic compass ? and why East and West are interchanged in surveyor's compass.
6 M
2 (c) Describe temperory adjustments of compass.
4 M

3 (a) The following bearings were observed an open traverse, correct them where necessary for local attraction :
 Line AB BC CD DE F.B. 154° 205° 40' 140° 69° 38' B.B. 334° 40' 23° 38' 321° 22' 249° 38'
8 M
3 (b) Explain Block contouring in detail.
6 M
3 (c) Describe principle of surveying with an example.
6 M

4 (a) The following notes refer to the reciprocal levels:
 Instrument Station Staff reading on Remarks A B A 1.029 1.634 Distance between A and B=800m. B 0.943 1.542 Rt. of A=421.543m.

Find:- i) The true RL of B, ii) Combined corrections for curvature and refraction. Iii) The error collimation adjustment of the instrument.
8 M
4 (b) Explain Orientation alongwith different methods of orientation in plane table surveying.
8 M
4 (c) Define
i) Arbitrary meridian.
ii) True merdian
iii) Permanent BM
iv) Line of Collimation.
4 M

5 (a) Determine the elevations of hilltop; from following data;
 Instrument Station Staff reading On B.M. Vertical angleon target at hilltop RL of BM (m) O1 1.670 28° 42' 345.58 O2 2.55 18° 6' 345.58

The height of target A was 5.0m. The instrument stations were 100m apart and were in line with the target A.
6 M
5 (b) Given the following latitude and departures of the sides of traverse ABCDE,the length of CD have been omitted. Compute the length of CD for above closed traverse. Draw traverse:
 Sr No Line Length Bearing Latitude Departure 1 AB 217.5 S 59° 45'E -109.578 +187.872 2 BC 308 Due North ? ? 3 CD ? N 37° 36'W ? ? 4 DE 283.5 S 55° 18'W -161.397 -233.07 5 EA 173.15 S 2° 40'W -172.989 -8.055
10 M
5 (c) Compare collimation method and rise and fall method.
4 M

Attempt any four
6 (a) Balancing BS and FS.
5 M
6 (b) Zero circle.
5 M
6 (c) Spire test.
5 M
6 (d) Traversing method of plane table survey.
5 M
6 (e) Balancing of traverse.
5 M

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