Surveying Online Test – Paper 3

1. Methods adopted for traversing are

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

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

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

5. If Θ is the angle of the slope, L is the length of the slope, and H is the difference in elevation between the two ends of the link, then the slope correction will be

6. Personal error in leveling occurs due to

7. Automatic level has advantages of

8. 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

9. The method of leveling in which the plane table is set at only one station to take detail is known as:

10. 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

11. In leveling, the station where the back sight and foresight readings are taken is known as

12. A 20 cm theodolite means

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

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

15. The size of the plane table is:

16. The contour lines are perpendicular to the

17. Which one is the simplest survey?

18. If a chain is found too short on testing, it can be adjusted by

19. Local attraction in compass surveying may be due to

20. When the angular and linear measurements are equally precise in traversing, the balancing of the traverse is done by:

21. Find the length of curve if radius of curve

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

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

24. In normal condition, the difference of fore and back bearing should be?

25. The horizontal distances obtained by tacheometry are corrected for

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

27. It is more difficult to obtain good results while measuring the horizontal distance by the stepping method

28. 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

29. If the magnetic bearing of a line is 65° and the true bearing 45°, then the magnetic declination is

30. Open cross-staff is commonly used for setting out

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

32. Tilting levels are used for

33. Horizontal equivalent of a uniform slope must be

34. A traverse deflection angle is

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

36. Metallic tapes are made of

37. The instrument used for centering the plane table accurately is:

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

39. Which one is wrong?

40. The designation of scale recommended by IS: 1491-1959 is

41. The main difference between an optical square and a prism square is

42. *Total station measures

43. A scale representing either three units or only one unit and its fractions up to the second place of the decimal point is

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

45. The sensitivity of the bubble tube can be increased by

46. Cubic parabola is a type of

47. The curvature and refraction corrections applied to staff readings respectively are

48. The contour interval depends upon

49. In a constant level tube, the size of the bubble remains constant because the upper wall of the tube has

50. If the magnetic declination is (-)6°0' and the reduced bearing of a line is S40°01'E, the true bearing of the line is