Surveying Online Test – Paper 3

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

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

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

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

5. The image of the objectives formed should lie

6. Ranging is the process of

7. A traverse deflection angle is

8. The theory of probability is applied to

9. A level tube is used to make the line of sight horizontal. It is filled with

10. Normal tension is that pull which

11. When a chain line encounters a river:

12. In a constant level tube, the size of the bubble remains constant because the upper wall of the tube has

13. Subtense bar is an instrument used for the measurement of horizontal distance in

14. If the image formed by the objective of the telescope is not in the plane of crosshairs, it is called

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

16. Chain surveying is used for a small area in

17. Butt rods are used for measuring

18. Different grades are joined together by a

19. Which one is wrong?

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

21. The boundary of water of a still lake is

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

23. A chain 33 feet long and consisting of 16 links each 2(1/16) feet long is

24. Limiting the length of offset depends upon

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

26. A river is an obstacle to

27. The graduations in a prismatic compass are

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

29. Find the R.F. of 1cm = 5m

30. The telescope is said to be normal when the

31. The upgrade road meets with the downgrade road, then the curve formed at the junction is called

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

33. The principle of surveying to prevent the accumulation of errors is

34. Chainage is the distance measured

35. Leveling across a river is done by

36. The place where the reading is taken is known as

37. 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

38. Choose the correct statement:

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

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

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

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

43. The location of the contour gradient for a highway is best set out from

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

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

46. In a traverse, the algebraic sum of the deflection angles, taking the right-hand deflection angles as positive and left-hand deflection as negative, should be equal to

47. An operation for determining the relative elevations of different points on the surface of the earth is known as

48. The process of bringing the vertical circle to the right of the observer is called

49. Axis method of traverse correction is used when

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