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- Question
Pick up the correct statement from the following
Options- A. the contour lines having the same elevation cannot unite and continue as one line
- B. a contour can not end abruptly, but must ultimately close itself not necessarily within the limits of map.
- C. the direction of steepest slope at a point on a contour is at right angles to the contour
- D. all the above.
- Correct Answer
- all the above.
- 1. The Trapezoidal rule of volumes V of an embankment divided into a number of sections equidistant D, is given by
Options- A.
- B.
- C. V =
[A1 + An + 2(A2 + A4 + ... + An - 1) + 4(A3 + A5 + ... + An - 2)] - D. V = [A1 + An + 4(A2 + A4 + ... + An - 1) + 4(A3 + A5 + ... + An - 2)].
Discuss
- 2. The representation of general topography of a very flat terrain is possible only
Options- A. by drawing contours at large interval
- B. by drawing contours at small interval
- C. by giving spot levels at large interval
- D. by giving spot levels to salient features at close interval. Discuss
- 3. During levelling if back sight is more than foresight
Options- A. The forward staff is at lower point
- B. The back staff is at lower point
- C. The difference in level, cannot be ascertained.
- D. none of these. Discuss
- 4. The surface of zero elevation around the earth, which is slightly irregular and curved, is known as
Options- A. mean sea level
- B. geoid surface
- C. level surface
- D. horizontal surface. Discuss
- 5. The theodolites used for making tacheometric observations by optical wedge system, are
Options- A. provided with stadia hairs in front of eye piece
- B. not provided with stadia hairs at all
- C. fitted with a glass wedge inside the telescope
- D. fitted with a glass wedge in front of telescope. Discuss
- 6. Pick up the correct statement from the following :
Options- A. The directions of plumb lines suspended at different points in a survey are not strictly parallel
- B. In surveys of small extent, the effect of curvature may be ignored and the level surface of the earth is assumed as horizontal
- C. In surveys of large extent, the effect of curvature of the earth must be considered
- D. All the above. Discuss
- 7. Correction per chain length of 100 links along a slope of ? radians, is
Options- A. 100 ?2
- B. 100 ?
- C. 100 ?3
- D. 100 ?-1. Discuss
- 8. Two contour lines, having the same elevation
Options- A. cannot cross each other
- B. can cross each other
- C. cannot unite together
- D. can unite together. Discuss
- 9. In geodetic surveys higher accuracy is achieved, if
Options- A. curvature of the earth surface is ignored
- B. curvature of the earth surface is taken into account
- C. angles between the curved lines are treated as plane angles
- D. none of these. Discuss
- 10. While working on a plane table, the correct rule is :
Options- A. Draw continuous lines from all instrument stations
- B. Draw short rays sufficient to contain the points sought
- C. Intersection should be obtained by actually drawing second rays
- D. Take maximum number of sights as possible from each station to distant objects. Discuss
Surveying problems
Search Results
Correct Answer:
Correct Answer: by giving spot levels to salient features at close interval.
Correct Answer: The back staff is at lower point
Correct Answer: geoid surface
Correct Answer: fitted with a glass wedge in front of telescope.
Correct Answer: All the above.
Correct Answer: 100 ?
Correct Answer: can unite together.
Correct Answer: curvature of the earth surface is taken into account
Correct Answer: Draw short rays sufficient to contain the points sought
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