GTU Civil Engineering (Semester 3)
Surveying
December 2016
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) Inaccessible points may be located by the
a) Radiation b) Intersection c) Traversing d) Resection
1 M
1(b) The U-fork and plumb bob are required for
a) Centering b) Orientation c) Levelling d) Bisecting
1 M
1(c) The lower plate of theodolite is fixed to
a) Inner spindle b) Outer spindle c) Levelling head d) Shifting head
1 M
1(d) If f1 be the focal length of the objective and f2 that of the ey-piece, then magnifying power is given by
a) f1 X f2 b) f1 / f2 c) f2 / f1 d) f1 - f2
1 M
1(e) Approximate bisection in at theodolite is done by the
a) Focussing screw b) Tangent screw c) Clamp screw d) Foot screw
1 M
1(f) Balancing of Traversr is done according to the
a) Bowditch's rule b) Transit rule c) Third rule d) All above
1 M
1(g) The difference between face left and face right observations of theodolite is 4'. The error is
a) 4' b) 4" c) 2' d) 0'
1 M
1(h) Overturning of vehicles on a curve can be avoided by using a
a) Compound curve b) Reverse curve c) Vertical curve d) Transition curve
1 M
1(i) The radius of 1° curve is
a) 1719m b) 1917m c) 1918m d) 1819m
1 M
1(j) Combined correction for curvature and refraction in linear measurement is given by
a) 0.0785 D2 b) 0.0112 D2 c) 0.06735 D2 d) None of above
1 M

2(a) Explain three instruments of plane table survey with sketch.
3 M
2(b) What is orientation? Discuss the different methods of orientations of a plane table.
4 M
Solve any one question.Q2(c) &Q2(d)
2(c) What is closing error in a closed traverse? How will you find out its magnitude and direction?
7 M
2(d) List the Fundamental lines of a theodolite and explain briefly the desired relationship between these lines.
7 M

solve any one question Q.3(a,b,c) &Q4(a,b,c)
3(a) Define the following:
a) Shore signals b) Range c) Lead line
3 M
3(b) Differntiate between trapzoidal rule and Simpson's rule
4 M
3(c) Discuss the steps involved in setting out the positions of piers of a bridge.
7 M

4(a) Give Classification of theodolites.
3 M
4(b) Compare/distinguish between trigonometric levelling and direct levelling.
4 M
4(c) Explain the procedure of setting out of building foundation.
7 M

solve any one question Q.5(a,b,c) &Q6(a,b,c)
5(a) What is meant by balancing a traverse? State the various rules used to do this.
3 M
5(b) Derive formula for height h and distance D in trigonometric leveling when two instruments are set at different level.
4 M
5(c) Explain the procedure for setting out simple circular curve with a tape and a theodolite ( Rankine's method)
7 M

6(a) Define transition curve, compound curve and reverse curve.
3 M
6(b) Define Sounding and purpose for which soundings are required.
4 M
6(c) A single-level section has a formation width of 7.5m. And side slopes 2:1. The depth of cutting at the centre at every 30 m. Intervals is 1.8, 2.175,2.55, 2.925, and 3 m. Find the volume of earthwork in the length of 120 by. Trapezoidal formula and Prismoidal formula.
7 M

solve any one question Q.7(a,b,c) &Q8(a,b,c)
7(a) List the various methods of calculating the area of a closed traverse? Explain any one.
3 M
7(b) Define Hydrographic surveying. What are the various operations conducted in hydrographic surveying?
4 M
7(c) Two tangents intersect at a chainage od 1400m the defelection angle being 24°. Calculate the following quantities for setting out a curve of radius 275m.
1) Tangent Length 2) Length of Long Chord 3) Lengt of Curve 4) Chainage of point commencement and tangency 5) Apex distance.
7 M

8(a) Describe types of vertical curves with sketches.
3 M
8(b) What are the elements of simple circular curve? Explain with neat sketch.
4 M
8(c) The latitude and departures of the lines of a closed traverse are given below. Calculate area of traverse by Co-ordinates method and Meridian distance method.
 Line Northing Southing Easting Westing AB - 157.20 154.80 - BC 210.50 - 52.50 - CD 175.40 - - 98.30 DA - 228.70 - 109.0
7 M

11(k) The area of zero circle is equal to
a) C b) M c) M x C d) M / C
1 M

12(l) For determination of the area of a figure bounded by straight lines.
a) squares b) rectangles c) triangles d) polygons
1 M

13(m) Where the depth of water is too much, machine used is kown as
a) fathometer b) leadline c) sounding poles d) sextant
1 M

14(n) The accessory used in setting out works is
a) boning rod b) traveller c) batter board d) all of the above
1 M

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