Surveying Online Test – Paper 3

1. In the whole circle system, the bearings are measured

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

3. An offset scale always has the zero mark at

4. A benchmark (BM) is a

5. The shape of the vertical curve generally used is

6. The errors due to bad ranging are

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

8. The range of accuracy in measuring distance by EDM with respect to ODM is

9. The chain length which is not the standard metric chain length is

10. Find the length of curve if the radius of the curve is 50 m, and the angle of deflection is 60°

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

12. During chaining along a straight line, the leader of the survey party has three arrows, and while the follower has five arrows. The distance of the follower from the starting point will be

13. The prismatic compass and the surveyor's compass respectively give

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

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

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

17. The dip of the needle

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

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

20. The upper plate

21. If the intercept on the vertical staff is observed as 1.5mm from a tacheometer, the horizontal distance between the tacheometer and staff station is

22. Angle of 45° with the chain line may be set out with

23. Orientation is the operation of keeping the table at successive stations such that:

24. If the needle of the compass is sluggish the type of error will be

25. Crosshairs in a surveying telescope are fitted

26. If the formation level is less than the ground level, the difference between them at any point will give the

27. The Philadelphia rod is a type of

28. Error in tacheometric surveying is due to

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

30. Bench marks are fixed by

31. The RL of the benchmark is 1000.0 m, and the back sight reading at the benchmark is 2.555 m. Find the staff reading of IS if the RL of IS is 1000.055 m

32. The accuracy required in precise leveling is of the order of (Where K is the total distance of the level line in KM)

33. The effect of local attraction is observed in

34. Direction of the closing error is given by

35. Chain surveying is used for a small area in

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

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

38. A 20 cm theodolite means

39. Staff intercept means

40. Permanent adjustment is carried out to

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

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

43. If the station A and B are equally affected and in the different direction, then the difference between the forebearing and back bearing of a line AB should be

44. In the direct method of contouring, the process of locating points lying on a contour is known as

45. *For the construction of highway/railway

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

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

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

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

50. If the length of a transition curve is such that the full super elevation is attained at the junction with the circular curve, the resultant curve is known as