GTU Civil Engineering (Semester 3)
December 2015
Total marks: --
Total time: --
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

Short Questions
1(a) The working edge of the alidade is known as
(a)Fiducial edge
(b)Parallel edge
(c)Drawing edge
(d) Straight edge
1 M
1(b) The U-fork and plumb bob are required for (a) Levelling
(b) Centring
(c) Orientation
(d) Bisecting
1 M
1(c) The operation of revolving the telescope in the horizontal plane about its vertical axis is called
(a) Swinging
(b) Transiting
(c) Plunging
(d) None of above
1 M
1(d) If N is the number of sides in a closed traverse, then the sum of interior angles should be equal to
(a) (2N + 4) × 90°
(b) (2N * 4) × 90°
(c) (2N- 4) × 90°
(d) (N-4) × 90°
1 M
1(e) In a closed traverse the algebraic sum of the latitudes and departures must be equal to (a) 0° (b) 90°
(c) 180°
(d) 360°
1 M
1(f) When the vertical circle is to right side of the observer, it called
(a) Telescope inverted
(b) Telescope normal
(c) Telescope reversed
(d) None of above
1 M
1(g) The combined correction for earth's curvature and refraction in linear measurement is given by (a) 0.0673 D2 (b) 0.0785 D2 (c)0.0112 D2 (d) None of above
1 M
1(h) The Shortest distance between the point of curve (P.C) and the point of tangency (P.T) is
(a) Normal Chord
(b) Long chord
(c) Sub chord
(d) half chord
1 M
1(i) The Curve preferred for vertical curve is a
(a) Circular
(b) Spiral
(c) Parabola
(d) hyperbola
1 M
1(j) Sounding in hydrography means
(a) Distance travelled by water sound in water body
(b) depth of water body at the point of measurement
(c) Velocity of water waves
(d) None of the above
1 M
1(k) In ocean where depth of water is great the instrument used is
(a) Sounding poles
(b) Lead lines
(d) Sounding machine
1 M
1(l) The branch of surveying which deals with the measurement of bodies of water is called
(b) Fluid mechanics
(c) Hydraulics
(d) Hydrographic surveying
1 M
1(m) The accessory used in setting out works is
(a) Boning rod
(b) Traveller
(c) batter board
(d) All of the above
1 M
1(n) The accessory used for controlling the side slopes in embankments and in cutting
(a) Batter board
(b) traveller
(c) boning rod
(d) Cross head
1 M

2(a) Explain three instruments of plane table survey with sketch
3 M
2(b) State different methods of measurement of horizontal angle using theodolite and explain any one method
4 M
Solved any one question from Q.2(c) & Q.2(d)
2(c) List the Fundamental lines of a theodolite and explain briefly the desired relationship between these lines.
7 M
2(d) Explain the steps of gale's traverse table
7 M

Solved any one question from Q.3 & Q.4
3(a) Define
(1)Batter board (2) Boning road (3) Traveller
3 M
3(b) Derive the expression to compute the area by Simpson's one third rule
4 M
3(c) Explain method of setting out of culvert
7 M

4(a) Describe the permanent adjustment of a theodolite to make the vertical axis truly vertical.
3 M
4(b) Define
(1) Latitude (2) Departure (3) Independent Co-Ordinate (4) Consecutive Coordinate
4 M
4(c) Describe the setting out of foundation plan of building
7 M

Solved any one question from Q.5 & Q.6
5(a) Define
(1) Line of Collimation (2) Telescope Normal (3) Telescope Inverted
3 M
5(b) Derive formula for height h and distance D in trigonometric levelling when two instruments are set at same level.
4 M
5(c) What are the elements of Simple circular Curve? Define with figure and give their relationship
7 M

6(a) What are the requirement and purpose of transition curve
3 M
6(b) What is the Sounding? Explain methods of locating sounding?
4 M
6(c) A road embankment is 8m wide and 200m in length at the formation level with a side slope of 1.5:1 the embankment has a rising gradient of 1 in 100 m .The ground levels at along centre line are as follow.
Distance (M) 0 50 100 150 200
R.L (M) 164.5 165.5 166.8 167 167.2

The Formation level of zero chainage is 166 m. Calculate the volume of earth work.
7 M

7(a) Define (1) Face left (2) Face right (3) Transiting
3 M
7(b) Explain instrument use for taking sounding
4 M
7(c) Prepare Gale's Traverse table to adjust the closing error of the closed traverse ABCDA for Following data
Line Length



AB 110 110°
BC 80 170°
CD 95 250°
DA 160 350°
7 M

8(a) Write advantage and disadvantage of Rankine's method
3 M
8(b) What is vertical curve? Explain difference types of vertical curve
4 M
8(c) Compute the valves of the following components of simple curve and show them in detailed sketch. (1) Length Of Curve (2) Tangent Length (3) Length of long Chord (4) Apex Distance (5) Mid Ordinate The radius of curve=300 M deflection angle =40°
7 M

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