Surveying Online Test – Paper 3

1. Dumpy level is used when

2. In tacheometric survey, the method which provides easy reading of the staff is

3. The length of an Engineer's chain is

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

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

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

7. The absence of chromatic aberration in a telescope is known as

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

9. The difference between the most probable value of a quantity and its observed value is

10. Which one is wrong?

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

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

13. For a line AB

14. The three-point problem is concerned with:

15. Any arbitrarily assumed level line from which vertical distances are measured is known as

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

17. Invar tapes are made of an alloy of

18. The imaginary line passing through the intersection of crosshairs and the optical center of the object is known as:

19. Find the RL of the collimation line. If the RL of BM is 100 m & BS staff reading is 5.35 m

20. A transition curve introduced between the tangent and the circular curve should

21. Revolving of the telescope of a theodolite in a horizontal plane is

22. Plane table survey is considered good as compared to other surveys since:

23. Diurnal variation depends upon

24. The whole circle bearing 338°42" converted into quadrantal form is given as

25. Different grades are joined together by a

26. Which one is the simplest survey?

27. *Accuracy of 'fix' by two-point problem is

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

29. An internal focusing type of telescope is focused by the movement of

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

31. If the sum of northing of a traverse exceeds the sum of southing by 2m and the sum of easting exceeds the sum of westing by 2m, the resulting closing error will be

32. Level surface is parallel to

33. An anallatic lens is provided in a tacheometer to measure the horizontal distance.

34. The types of instrument generally used in the survey of gravity water supply system are:

35. The longest chain line passing through the center of the area is known as

36. An imaginary line lying through the surface of the ground, having a constant inclination to the horizontal, is known as

37. Working edge of alidade is called

38. The three-point problem can be solved by:

39. 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

40. The reciprocal leveling eliminates

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

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

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

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

45. "Fiducial edge" is the working edge of

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

47. The advantage of anallatic lens is

48. The method of offset laying involving minimum measurement on the ground is

49. The two-point problem is:

50. If the intercept on the vertical staff is observed as 1.5mm from a tacheometer, the horizontal distance between the tacheometer and staff station is