Surveying Online Test – Paper 3

1. An offset scale always has the zero mark at

2. Ten readings were recorded in a level field book. If the instrument was shifted after the 2nd and 6th readings, then the foresight readings are

3. Local attraction in compass surveying may be due to

4. The rise and fall method of leveling provides a complete check on

5. Find the R.F. of 1cm = 5m

6. Which one of the following may not be classified as personal error

7. Under Survey, "working from whole to part" is done

8. A level line is a

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

10. If the sights are vertical

11. The permissible limits of error in chaining for measurement on rough or hilly ground are

12. An imaginary line lying through the surface of the ground, having a constant inclination to the horizontal, is known as

13. Closed contours with higher value inside represent a

14. Instrumental error in leveling is an error due to

15. If the quadrantal bearing of a line is N 35° W, then the whole circle bearing is

16. Horizontal equivalent of a uniform slope must be

17. A traverse consists of six sides; then the sum of external angles must be

18. Bench marks are fixed by

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

20. If the included angle is less than 180°, the deflection angle is

21. Prolongation of a chain line across an obstruction in chain surveying is done by

22. When the whole circle bearing of two lines AB and AC are 115° and 41° respectively, then the included angle BAC will be:

23. Which of the following instruments is generally used for baseline measurements?

24. Actually, which is not the method of plane tabling?

25. Choose the correct statement:

26. The maximum number of omitted measurements that can be calculated from latitudes and departures of a closed traverse is

27. The types of errors that are of a cumulative nature and can be corrected are known as

28. The sensitivity of the bubble tube expressed in terms of the angular value of one division of the bubble is given by

29. Metallic tapes are made of

30. *The two-peg method is used to check the parallelism between the

31. The function of the leveling head is

32. The absence of spherical aberration in a telescope is known as

33. The horizontal distances obtained by tacheometry are corrected for

34. 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

35. Staff intercept means

36. The strength of fix' is poor when:

37. The closing error is given by

38. In compass surveying

39. The types of survey used to fix property lines are

40. If the distance between two points A and B is 1km, the combined correction for curvature and refraction will be

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

42. The telescope is said to be normal when the

43. In a survey, it was recorded that Σrise = 0, then

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

45. The theory of probability is applied to

46. In a constant level tube, the size of the bubble remains constant because the upper wall of the tube has

47. *When it is not possible to set up the level, midway between the two points, then the difference in elevation between them is measured by

48. The last reading of leveling is always at

49. The height of instrument method is

50. 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?