Surveying Online Test – Paper 3

1. The length of the perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to

2. If a chain is found too short on testing, it can be adjusted by

3. Natural error in leveling is caused due to

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

5. Which of the following terms is not associated with leveling:

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

7. For Y level, Cooke's, and Cushing levels, the line of collimation should coincide with

8. If the magnetic bearing of the sun at noon at a place in the southern hemisphere is 150°, the magnetic declination at that place is

9. Height of the instrument is equal to:

10. In chain survey execution, this first step taken is

11. The advantage of anallatic lens is

12. A benchmark (BM) is a

13. A straight line tangential to the longitudinal curve of the level tube at its center is known as

14. The shape of the vertical curve generally used is

15. *For the construction of highway/railway

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

17. Hydrographic survey deals with the mapping of

18. The difference between the two bearings of the last line as observed at the first and the last station of a traverse is known as

19. Personal error in leveling occurs due to

20. Butt rods are used for measuring

21. The two-point problem and three-point problems are methods of:

22. Invar tapes are made of an alloy of

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

24. Theodolite is an instrument used for measuring

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

26. The types of errors that are of a cumulative nature and can be corrected are known as

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

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

29. Bowditch's rule is applied to

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

31. Two contour lines, having the same elevation

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

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

34. The process of turning the telescope about the horizontal axis in a vertical plane by a complete revolution is known as

35. Intersection is preferred to radiation when:

36. The contour line can cross one another on a map only in the case of

37. The sensitivity of the bubble tube can be increased by

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

39. The position of a point can be fixed more accurately by

40. In survey works, declination varies from time to time and place to place. The main important variation is

41. The method most suitable for plotting in hilly areas is:

42. Level surface is parallel to

43. The surface of zero elevation around the earth, which is slightly irregular and curved, is known as

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

45. Limiting the length of offset depends upon

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

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

48. Tacheometry is adopted where

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

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