Surveying Online Test – Paper 3

1. The contour interval depends upon

2. Tilting levels are used for

3. The sensitivity of the bubble tube expressed in terms of the angular value of one division of the bubble is given by

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

5. In plane table instrument for horizontal & vertical measurement without chaining

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

7. 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

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

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

10. The needle is adjusted for

11. The difference between a level line and a horizontal line is that

12. If S is the value of one smallest division on the main scale, v is the value of one smallest division on the vernier, and n is the number of divisions on the vernier, then the least count is given by

13. The angle subtended by the long chord of a simple curve at its center is equal to

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

15. If the sights are vertical

16. Chain surveying is used for

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

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

19. The upper plate

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

21. Theodolite is an instrument used for measuring

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

23. The types of leveling used for Geodetic survey is

24. 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

25. The levels to which the earthwork will have to be carried out is known as

26. The important points selected at the ends of the chain lines to command the boundaries of the survey are known as

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

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

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

30. In a closed traverse, the closing error should not be more than (where N is the no. of sides of the traverse)

31. A contour map of the area is essential before proceeding with the construction of

32. In the stadia method, if k is the multiplying factor, s is the staff intercept, c is the additive constant of the instrument, then the distance equation is given by the expression

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

34. If the included angle is greater than 180°, the deflection angle is

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

36. The perpendicular distance of the midpoint of the line from the reference meridian is known as

37. The surface perpendicular to the direction of gravity is

38. Staff intercept means

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

40. Error in tacheometric surveying is due to

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

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

43. The contour lines are perpendicular to the

44. A disadvantage of plane table survey is:

45. Which one is wrong?

46. The fix of the table is good when:

47. In compass surveying

48. Plane table surveying is a graphical method of surveying in which:

49. Which one is the simplest survey?

50. If the quadrantal bearing of a line is N 35° W, then the whole circle bearing is