Surveying Online Test – Paper 3

1. The trunion axis or transverse axis is

2. A 30 m long chain when tested should not show errors exceeding

3. The "point of tangency" of a simple circular curve is

4. The number of links in a 30 m metric chain is

5. A 20 cm theodolite means

6. The minimum horizontal distance between any two consecutive contours is known as

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

8. The "point of the curve" of a simple circular curve is

9. The best method of interpolation of contours in the direct method of contouring is by

10. The maximum permissible difference allowed while taking down the fore bearing and back bearing of a line is

11. If the distance between two points A and B is 1km, the combined correction for curvature and refraction will be

12. The angular and linear measurement of the part of the traverse can be checked by

13. Placing the table over the station such that the station plotted on the sheet is exactly above the corresponding station on the ground is:

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

15. Overturning of vehicles on a curve can be avoided by using

16. A 30m chain was found to be 20cm too long after chaining 1500m. The correct length of the total distance chained will be

17. The correction for curvature as applied to staff reading is

18. The Bench Mark of a point is 400m. Backsight reading at the benchmark is 2.20, and the foresight reading of point A is 2.10. Find the RL of point A

19. The types of survey used to fix property lines are

20. Magnetic declination

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

22. The resection by a two-point problem as compared to the three-point problem:

23. During chaining along a straight line, the leader of the survey party has three arrows, and while the follower has five arrows. The distance of the follower from the starting point will be

24. 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

25. A 30 m long tape was standardized at a temperature of 30°C; at the time of measurement, the temperature recorded was 35°C. Then the correction for temperature per tape length is (coefficient of thermal expansion = 0.0001116/°C)

26. The direction of the steepest slope on a contour is

27. Handles are connected to the link by

28. The fundamental lines of transit of the theodolite are

29. The optical square is based on the principle of

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

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

32. The advantage of anallatic lens is

33. Find the length of curve if radius of curve

34. The accuracy required in precise leveling is of the order of (Where K is the total distance of the level line in KM)

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

36. A bearing noted N45° E represents

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

38. Size of a theodolite is specified by

39. Invar tapes are made of an alloy of

40. For the construction of a highway railway

41. In the direct method of contouring, the process of locating points lying on a contour is known as

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

43. In a prismatic compass,

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

45. Ranging is the process of

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

47. The horizontal distances obtained by tacheometry are corrected for

48. If the needle is truly magnetic and is not sluggish

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

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