Surveying Online Test – Paper 3

1. The spacing of crosshairs in a stadia diaphragm of a tacheometer is 1.5mm, and the focal length of the objective glass is 30cm, the multiplying constant of the tacheometer is

2. A river is an obstacle to

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

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

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

6. The orientation of the table is done by

7. The limiting length of an offset does not depend upon

8. In the case of a telescopic alidade, the adjustment done is

9. During chaining along a straight line, the leader of the survey party has three arrows, and while the follower has five arrows. The distance of the follower from the starting point will be

10. Which of the following instruments is generally used for baseline measurements?

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

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. Find the length of curve if the radius of the curve is 50 m, and the angle of deflection is 60°

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

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

16. Tellurometer uses

17. If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as

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

19. Setting up the plane table consists of operations:

20. If the sights are vertical

21. Normal tension is that pull which

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

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

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

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

26. Least count is given by

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

28. Offset angle taken in chain survey may be

29. The representation of general topography of a very flat terrain is possible only

30. The stadia hairs are not used in

31. 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

32. The chord of curve less than peg interval is known as

33. The two-point problem as compared to the three-point problem is:

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

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

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

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

38. Which one is the simplest survey?

39. 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

40. The two-point problem is:

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

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

43. Size of a theodolite is specified by

44. For the construction of a highway railway

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

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

47. The graduations in a prismatic compass are

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

49. The permissible limits of error in chaining for measurement on rough or hilly ground are

50. Right face and left face readings are taken to