Surveying Online Test – Paper 3

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

2. Magnetic declination

3. The bearing of the traverse line is calculated by

4. Crosshairs in a surveying telescope are fitted

5. *Accuracy of 'fix' by two-point problem is

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

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

8. A curve consists of two areas of different radii bending in the same direction and lying on the same side of their common tangent and their centers being on the same side of the curve is known as a

9. 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

10. The triangle formed by joining the position of the known points on plane table survey is known as:

11. A 20 cm theodolite means

12. You are requested to carry out a survey for the construction of a small airport in a mountainous region of Nepal. Which of the following surveying method will you choose?

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

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

15. Handles are connected to the link by

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

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

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

19. Direct distance measurement method is more suitable to measure in

20. Contour lines look to cross each other in the case of

21. The telescope is said to be normal when the

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

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

24. *Which instrument is not used in plane table

25. For the construction of a highway railway

26. The representation of general topography of a very flat terrain is possible only

27. Normal tension is that pull which

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

29. Staff intercept means

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

31. The trunion axis or transverse axis is

32. Ranging is the process of

33. If the magnetic bearing of the sun at noon at a place in the southern hemisphere is 150°, the magnetic declination at that place is

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

35. Metallic tapes are made of

36. The difference between the most probable value of a quantity and its observed value is

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

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

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

40. The levelling head of a transit theodolite consists of

41. A traverse consists of six sides; then the sum of external angles must be

42. Size of a theodolite is specified by

43. Invar tapes are made of an alloy of

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

45. Find the contour interval for the map, 1: 25000 in IS & FPS

46. If the quadrantal bearing of a line is N 35° W, then the whole circle bearing is

47. Tellurometer uses

48. A poor fix of the table is:

49. In tacheometric survey, the method which provides easy reading of the staff is

50. A discrepancy is the difference between