Surveying Online Test – Paper 3

1. The effect of local attraction is observed in

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

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

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

5. Local attraction at a place may be due to

6. Cubic parabola is a type of

7. A discrepancy is the difference between

8. Theodolite is an instrument used for measuring

9. 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

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

11. The fundamental lines of transit of the theodolite are

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

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

14. The magnetic north is indicated by

15. When a chain line encounters a river:

16. The length of the perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to

17. The scale used to measure and to set out the angles is

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

19. The method most suitable for plotting in hilly areas is:

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

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

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

23. The rise and fall method of leveling provides a complete check on

24. In a theodolite, staff readings for upper, middle, and lower crosshairs are 1.4, 0.9 & 0.4, respectively. If the height of the tower is 100m, then find the horizontal distance between the instrument station and the base of the tower

25. The bearing of the traverse line is calculated by

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

27. The upper plate

28. The closing error is given by

29. An anallatic lens is a.... used to remove an additive constant in a tacheometer.

30. The boundary of water of a still lake is

31. Obstacle to ranging but not chaining is

32. The spacing of cross-sections in the indirect method of contouring depends upon

33. Intersection is preferred to radiation when:

34. An offset more than 15m in length is known as

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

36. The telescope is said to be normal when the

37. 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

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

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

40. Contour interval is proportional

41. Butt rods are used for measuring

42. The contour line can cross one another on a map only in the case of

43. The method of tacheometry in which the observation is made with stadia wires with a variable interval is known as

44. Choose the correct statement:

45. During leveling staff readings are taken 1.0, 0.8 & 0.6 from consecutive horizontal crosshairs, the staff intercept should be

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

47. A series of closed contour lines on the map with higher to lower values inside them represent a

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

49. Actually, which is not the method of plane tabling?

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