Surveying Online Test – Paper 3

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

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

3. Theodolite traverse is plotted more accurately by

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

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

6. A series of closely spaced contour lines represent a

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

8. Contour interval, within the limits of a map

9. If n observations are taken, the accidental errors are proportional to

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

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

12. The error eliminated by taking the mean of both face observations is

13. Instrumental error in leveling is an error due to

14. The strength of fix' is poor when:

15. "Cross-sectioning" and "Longitudinal sectioning" is

16. The strength of the fix of a plane table is:

17. Contour lines look to cross each other in the case of

18. An invert is taken when the point is

19. The orientation of the table is done by

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

21. The sag correction is always

22. The bearing of line AB is 200° and that of BC is 270°, the included angle ABC is

23. An example of a level surface is

24. The observed reading on a leveling staff was 3.525 m. If the staff was 0.125m off from the original ground level, what should be the correct reading?

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

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

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

28. The accuracy of measurement in chain surveying does not depend upon

29. If the sights are vertical

30. The most probable value of an observed quantity available from a given set of observations is the one for which the sum of the square of errors is a minimum. This statement is called

31. The image of the objectives formed should lie

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

33. Intersection is preferred to radiation when:

34. Diurnal variation depends upon

35. Invar tapes are made of an alloy of

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

37. In a dumpy level, the objective and eyepiece lenses are made of two or more small lenses to obtain

38. Normal tension is that pull which

39. The quadrantal system confines the user to measure the bearings from

40. The reciprocal leveling eliminates

41. The difference between the sum of the measured angles and the theoretical sum of the angles of a closed traverse is called the

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

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

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

45. A Cadastral Map is a map having

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

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

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

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

50. Which one of the following is not a personal error?