Surveying Online Test – Paper 3

1. Working edge of alidade is called

2. The foremost work to be executed while traversing with a compass is

3. The Normal chord of a curve should be

4. You are requested to carry out a survey for the construction of a small airport in a mountainous region of Nepal. Which of the following surveying method will you choose?

5. If the magnetic bearing of the sun at noon at a place in the southern hemisphere is 150°, the magnetic declination at that place is

6. Geodetic survey is different from plane surveying because of

7. Bench marks are fixed by

8. The errors due to bad ranging are

9. If the bearing of AB is N 30° W and the bearing of BC is N 40° E, then find the angle < ABC

10. The telescope is said to be normal when the

11. Find the RL of the collimation line. If the RL of BM is 100 m & BS staff reading is 5.35 m

12. An example of a level surface is

13. The elevation (BM) of point A is 100 m. Backsight reading at A is 20, and foresight reading at B is 30 m. Find the RL of point B

14. Hydrographic survey deals with the mapping of

15. Local attraction in compass surveying may be due to

16. The principle of surveying to prevent the accumulation of errors is

17. Find the length of curve if R=500 m, Intersection angle= 120°

18. The accuracy of measurement in chain surveying does not depend upon

19. A 30 m long tape was standardized at a temperature of 30°C; at the time of measurement, the temperature recorded was 35°C. Then the correction for temperature per tape length is (coefficient of thermal expansion = 0.0001116/°C)

20. Which one is wrong?

21. Any arbitrarily assumed level line from which vertical distances are measured is known as

22. Area of triangle joining three corner points in comparison to the circle same three points:

23. Contours are used to determine

24. If Θ is the angle of the slope, L is the length of the slope, and H is the difference in elevation between the two ends of the link, then the slope correction will be

25. A diagonal eyepiece is provided with a

26. The magnetic bearing of a line is 60°, and the true bearing of the same line is 70°. Find the declination

27. Bowditch's rule is applied to

28. To orient a plane table without two inaccessible points, the method generally adopted is:

29. The maximum allowable limit up to which a measurement may vary from the true value is known as

30. The contour lines are perpendicular to the

31. Indirect ranging method is adopted when two points of the chain line are:

32. Angular surveying in which both the horizontal and vertical positions of a point are obtained by optical means is known as

33. For accurate work, in comparison to the chain, the steel band is used because it

34. The resection by a two-point problem as compared to the three-point problem:

35. The upper plate

36. The quadrantal bearing of a line is determined by:

37. Open cross-staff is commonly used for setting out

38. Negative errors are caused in the chain when its length is

39. Offset angle taken in chain survey may be

40. The orientation of the table is done by

41. In a theodolite, staff readings for upper, middle, and lower crosshairs are 1.4, 0.9 & 0.4, respectively. If the height of the tower is 100m, then find the horizontal distance between the instrument station and the base of the tower

42. The angular error of closure or summation error should not exceed (Where N is the number of stations or sides.)

43. The method most suitable for plotting in hilly areas is:

44. For the construction of a highway railway

45. In the case of a telescopic alidade, the adjustment done is

46. The limiting length of an offset does not depend upon

47. The angular and linear measurement of the part of the traverse can be checked by

48. Tacheometry is best suited

49. The function of the leveling head is

50. The last reading of leveling is always at