Surveying Online Test – Paper 3

1. The trunion axis or transverse axis is

2. Distomats is a type of

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

4. The contour interval depends upon

5. Closed contours with higher value inside represent a

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

7. The benchmark of a station A is 500 m, and the back sight reading at the point A is 2 m & foresight reading of station B is 3 m. Find the RL of station B

8. In the case of leveling staff readings are taken by (In the case of target staff)

9. An offset scale always has the zero mark at

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

11. A traverse deflection angle is

12. In compass surveying

13. The length of an Engineer's chain is

14. Error in tacheometric surveying is due to

15. A leveling station is a point where:

16. Pick up the odd statement

17. For any point on the surface with a given inclination, the contour gradient possible is

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

19. A relatively fixed point of known elevation above the datum is called

20. An internal focusing type of telescope is focused by the movement of

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

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

23. 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

24. The main difference between theodolite and level is:

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

26. The stadia hairs are not used in

27. When several contours coincide, it indicates

28. A disadvantage of plane table survey is:

29. A transition curve introduced between the tangent and the circular curve should

30. Contour lines of different elevations can unite to form one line only in the case of

31. In a closed traverse by included angles, the sum of measured interior angles should be equal to

32. If the magnetic declination is (-)6°0' and the reduced bearing of a line is S40°01'E, the true bearing of the line is

33. The method of plane tabling generally adopted to obtain details and plotting inaccessible points is:

34. A negative declination shows the magnetic meridian to the

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

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

37. In a dumpy level, the objective and eyepiece lenses are made of two or more small lenses to obtain

38. In survey, it was recorded that Σfall = 0 then

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

40. Height of the instrument is equal to:

41. Well-conditioned triangle having an angle between

42. A level tube is used to make the line of sight horizontal. It is filled with

43. *Error due to imperfect adjustment of plate level is termed as

44. The process of bringing the vertical circle to the right of the observer is called

45. The projection of a line on a plane perpendicular to the meridian is known as

46. The observed reading on a leveling staff was 3.525 m. If the staff was 0.125m off from the original ground level, what should be the correct reading?

47. 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

48. An operation for determining the relative elevations of different points on the surface of the earth is known as

49. The closing error is given by

50. Hydrographic survey deals with the mapping of