Surveying Online Test – Paper 3

1. A 20 cm theodolite means

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

3. The two-point problem is:

4. For the route survey of a contour map, the method used is

5. A river is an obstacle to

6. The process of turning the telescope about the horizontal axis in a vertical plane by a complete revolution is known as

7. The instrument used for measuring area on a contour map is

8. The longitudinal section of the surface of the bubble tube is

9. Azimuth (direct angles) is an angle measured in

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

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

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

13. In the intersection method of plane tabling, the number of stations needed to be set up is:

14. The order of accuracy of the elevation of points obtained from a contour map is equal to

15. Butt rods are used for measuring

16. The angle of intersection of a curve is the angle between

17. In a prismatic compass,

18. A straight line tangential to the longitudinal curve of the level tube at its center is known as

19. The chord of curve less than peg interval is known as

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

21. Level surface is parallel to

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

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

24. The true bearing of a line can be calculated as (Where the declination is to the east.)

25. The method of tacheometry in which the stadia hair intercept is fixed is known as

26. The reduced level of the line of collimation is 50m, and the staff reading at the base of the pillar is 1.15 m. Find the reduced level of the base of the pillar

27. Bench marks are fixed by

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

29. 'SPIRE TEST' is used in the permanent adjustment of theodolite for

30. For a dumpy level in perfect adjustment, the horizontal cross hair should be in a plane

31. The spacing of crosshairs in a stadia diaphragm of a tacheometer is 1.5mm, and the focal length of the objective glass is 30cm, the multiplying constant of the tacheometer is

32. The types of survey in which fieldwork and plotting proceed simultaneously are:

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

34. The strength of the fix of a plane table is:

35. Offsets are

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

37. The included angles of the theodolite traverse are generally measured

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

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

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

41. The trunion axis or transverse axis is

42. Geodetic survey is different from plane surveying because of

43. The quadrantal system confines the user to measure the bearings from

44. While measuring horizontal distance by stepping method we should follow

45. The W.C.B of a line is preferred to a quadrantal bearing merely because

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

47. The survey which is carried out to determine absolute locations and the direction of any line on the surface of the earth by making observations of heavenly bodies is called

48. The graduations in a prismatic compass are

49. The image of the objectives formed should lie

50. A bearing noted N45° E represents