Surveying Online Test – Paper 3

1. The main difference between theodolite and level is:

2. The fix of the table is good when:

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

4. In the scale of a map is 1:25000, what does it mean:

5. The correction for curvature as applied to staff reading is

6. The length of an Engineer's chain is

7. When a chain line encounters a river:

8. The needle is adjusted for

9. Height of the instrument is equal to:

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

11. The imaginary line passing through the intersection of crosshairs and the optical center of the object is known as:

12. The tie line is run through the survey to

13. Intersection is preferred to radiation when:

14. The important points selected at the ends of the chain lines to command the boundaries of the survey are known as

15. "A curve of varying radius introduced between two branches of a compound curve is called

16. Local attraction at a place may be due to

17. The process of turning the telescope about the vertical axis in a horizontal plane is known as

18. The Philadelphia rod is a type of

19. Height of instrument method of leveling, as compared to the rise and fall method, is

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

21. In leveling across a hill, the level should be set up on

22. If the needle is truly magnetic and is not sluggish

23. The difference between the sum of the measured angles and the theoretical sum of the angles of a closed traverse is called the

24. The vertical distance between any two consecutive contours is known as

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

26. *Total station measures

27. Dumpy level is used when

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

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

30. Normal tension is that pull which

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

32. The Bench Mark of a point is 400m. Backsight reading at the benchmark is 2.20, and the foresight reading of point A is 2.10. Find the RL of point A

33. The outer spindle attached to the lower plate in a transit theodolite is known as

34. A scale representing either three units or only one unit and its fractions up to the second place of the decimal point is

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

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

37. Bowditch's rule is applied to

38. Which one of the following is not a personal error?

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

40. A 20 cm theodolite means

41. With the help of leveling, we measure

42. Butt rods are used for measuring

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

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

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

46. The angle that can be set by a French cross-staff is

47. 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

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

49. If S is the value of one smallest division on the main scale, v is the value of one smallest division on the vernier, and n is the number of divisions on the vernier, then the least count is given by

50. Automatic level has advantages of