1. Under survey "working from whole to part" is done
2. Hydrographic survey deal with the mapping of
3. Find the R.F.of 1mm = 10 m
4. The maximum allowable limit upto that a measurement may vary from the true value is known as
5. If n observations are taken, the accidental errors are proportional to
6. The types of survey used to fix property lines is
7. Number of links in a 20m metric chain is
8. Chainage is the distance measured
9. In chain survey execution, the first step taken is
10. Choose the correct statement
12. Cross hairs in surveying telescope are fitted
13. A relatively fixed point of known elevation above datum is called
14. The image of the object formed should lie
15. The rise and fall method of levelling provides a complete check on
16. The observed reading on a levelling staff was 3.545 m. If the staff was 0.15m on from the original ground level, what should be correct reading?
17. Line of collimation should be parallel to
18. When it is not possible to set up the level midway between two points, then the difference in elevation between them is measured by
19. The levels to which the earthwork will have to be carried out is known as
20. The correction for refraction is given by
21. Horizontal line departs from a level surface because of _____________
22. The surface perpendicular to direction of gravity is
23. The minimum horizontal distance between any two consecutive contours is known as
24. The instrument used to measure horizontal and vertical angle is
25. The instrument used for measuring area on a contour map is
27. If the quadrantal bearing of a line is N 35⁰ W , then the whole circle bearing is
28. The prismatic compass and surveyor's compass respectively give
29.The whole circle bearing of a line is 270⁰, then find the reduced bearing of line.
30. If the bearing of AB is N30⁰W and bearing of BC is N40⁰E then find the angle <ABC
31. Local attraction in a compass surveying may be due to
32. During levelling, staff readings are taken 1.0, 0.8 & 0.6 from consecutive horizontal cross hairs, the staff intercept should be
33. In profile levelling, staff readings on two neighboring pegs 20m apart are 1.2 and 1.0 respectively. Therefore, the proposed road had :
34. The instrument which is used in plane tabling for obtaining horizontal and vertical distances directly without resorting to chaining, is known
35. The operation of revolving a plane table about its vertical axis so that all lines on the sheet become parallel to corresponding lines on the ground, is known
36. Plotting of inaccessible points on a plane table, is done by
37. Locating the position of a plane table station with reference to three known points, is known as
38. Prismatic compass is considered more accurate than a surveyor's compass, because
39. The latitude of a traverse leg is obtained by multiplying its length by
40. The operation of making the algebraic sum of latitudes and departures of a closed traverse, each equal to zero, is known
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