Surveying Online Test – Paper 3

1. The rise and fall method

2. A negative declination shows the magnetic meridian to the

3. 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

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

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

6. Find the RL of the collimation line. If the RL of BM is 100 m & BS staff reading is 5.35 m

7. The quadrantal bearing of a line is determined by:

8. A leveling station is a point where:

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

10. A diagonal eyepiece is provided with a

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

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

13. The surface perpendicular to the direction of gravity is

14. A transition curve introduced between the tangent and the circular curve should

15. The two-point problem is:

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

17. 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

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

19. *The method of leveling used to carry out the reconnaissance of an area is

20. 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

21. Contour lines of different elevations can unite to form one line only in the case of

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

23. Invar tapes are made of an alloy of

24. The whole circle bearing 338°42" converted into quadrantal form is given as

25. The longest chain line passing through the center of the area is known as

26. The advantage of anallatic lens is

27. Methods adopted for traversing are

28. Chain surveying is used for a small area in

29. *The radius of curvature of the arc of the bubble tube is generally kept

30. *Which instrument is not used in plane table

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

32. The line normal to the plumb line is known as

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

34. The place where the reading is taken is known as

35. The fundamental lines of transit of the theodolite are

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

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

38. Obstacle to ranging but not chaining is

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

40. The graduations in a prismatic compass are

41. Theodolite is an instrument used for measuring

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

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

44. Which of the following instruments is generally used for baseline measurements?

45. Theodolite traverse is plotted more accurately by

46. An instrumental error in compass survey is because

47. A chain is made up of mild steel or galvanized iron wire of diameter

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

49. The last reading of leveling is always at

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