Surveying Online Test – Paper 3

1. Normal tension is that pull which

2. Which of the following terms is not associated with leveling:

3. If the included angle is greater than 180°, the deflection angle is

4. The magnetic north is indicated by

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

6. In profile leveling, staff readings on two neighboring pegs 20m apart are 1.200 and 1.00, respectively. Therefore, the proposed road has a

7. In a prismatic compass,

8. An imaginary line connecting the points of equal elevation on the ground surface is known as

9. Contour lines

10. The longest chain line passing through the center of the area is known as

11. The absence of chromatic aberration in a telescope is known as

12. The device used in computing the horizontal and vertical distances rapidly and conveniently is

13. When several contours coincide, it indicates

14. The contour lines are perpendicular to the

15. If the image formed by the objective of the telescope is not in the plane of crosshairs, it is called

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

17. *Which instrument is not used in plane table

18. The central angle subtended by an arc of 30m of the curve

19. In a traverse, the algebraic sum of the deflection angles, taking the right-hand deflection angles as positive and left-hand deflection as negative, should be equal to

20. If the sum of northing of a traverse exceeds the sum of southing by 2m and the sum of easting exceeds the sum of westing by 2m, the resulting closing error will be

21. Intersection is preferred to radiation when:

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

23. The two-point problem and three-point problems are methods of:

24. The surface of zero elevation around the earth, which is slightly irregular and curved, is known as

25. The angle which the true meridian makes with the magnetic meridian is called

26. A 30 m long chain when tested should not show errors exceeding

27. 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)

28. A river is an obstacle to

29. The intercept of a staff is

30. Short offsets are measured with

31. In survey works, declination varies from time to time and place to place. The main important variation is

32. A series of straight, parallel, and widely spaced contours on a map represent a

33. Height of the instrument is equal to:

34. The Q.B of the lines are given by...., ...., & ..... If W.C.B. of the lines are 0°, 135°, 270° respectively

35. The upgrade road meets with the downgrade road, then the curve formed at the junction is called

36. The smaller angle which a survey line makes with the true meridian is known as

37. Diurnal variation depends upon

38. For a tacheometer, the additive and multiplying constants are respectively

39. The inclination of the needle to the horizontal towards the pole is called

40. In a theodolite, the line passing through the intersection of the horizontal and vertical crosshairs and the optical center of the object glass and its continuation is known as

41. Handles are connected to the link by

42. The area of the earth's surface is taken into account only if the extent of the survey is more than

43. *Total station is

44. The instrument used to reproduce plans to a different scale is called

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

46. If n observations are taken, the accidental errors are proportional to

47. In a closed traverse, the algebraic sum of deflection angles is

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

49. Staff intercept means

50. The function of the leveling head is