Surveying Online Test – Paper 3

1. If the formation level is less than the ground level, the difference between them at any point will give the

2. Error in tacheometric surveying is due to

3. The outer spindle attached to the lower plate in a transit theodolite is known as

4. 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

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

6. The horizontal distances obtained by tacheometry are corrected for

7. The vertical distance between any two consecutive contours is known as

8. A staff reading taken on a benchmark/ known elevation or change point is known as

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

10. When several contours coincide, it indicates

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

12. The multiplying constant of a tacheometer is

13. Methods adopted for traversing are

14. An imaginary line connecting the points of equal elevation on the ground surface is known as

15. Orientation is the operation of keeping the table at successive stations such that:

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

17. The contour lines are perpendicular to the

18. In a survey, it was recorded that Σrise = 0, then

19. Automatic level has advantages of

20. The longitudinal section of the surface of the bubble tube is

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

22. Indirect ranging method is adopted when two points of the chain line are:

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

24. Tacheometry is best suited

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

26. If the focal length of the objective glass is 20cm, and the distance from the object glass to the trunnion axis is 12cm, the additive constant is

27. Which one of the following may not be classified as personal error

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

30. Bench marks are fixed by

31. Ranging is the process of

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

33. Area of triangle joining three corner points in comparison to the circle same three points:

34. 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)

35. Azimuth and altitude of a star

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

37. Right face and left face readings are taken to

38. 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

39. An instrumental error in compass survey is because

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

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

42. In a tacheometer provided with an anallatic lens, the distance between the object glass and the vertical axis is 15 cm. The focal length of the objective is 15 cm, and that of the anallatic lens is 10 cm. Hence, the distance between the two lenses is

43. The inclination of the needle to the horizontal towards the pole is called

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

45. The Q.B of the lines are given by...., ...., & ..... If W.C.B. of the lines are 0°, 135°, 270° respectively

46. Well-conditioned triangle having an angle between

47. The range of accuracy in measuring distance by EDM with respect to ODM is

48. The upper plate

49. Height of instrument method of leveling, as compared to the rise and fall method, is

50. Limiting the length of offset depends upon