Surveying Online Test – Paper 3

1. *Error due to imperfect adjustment of plate level is termed as

2. The tacheometric method is a more suitable method for preparing the contour map of

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

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

5. The type of survey in which horizontal and vertical distance is measured

6. Different grades are joined together by a

7. True meridians

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

9. The contour lines are perpendicular to the

10. Theodolite traverse is plotted more accurately by

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

12. When the whole circle bearing of two lines AB and AC are 115° and 41° respectively, then the included angle BAC will be:

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

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

15. If Θ is the angle of the slope, L is the length of the slope, and H is the difference in elevation between the two ends of the link, then the slope correction will be

16. The method of tacheometry in which the observation is made with stadia wires with a variable interval is known as

17. Choose the correct statement:

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

20. A Cadastral Map is a map having

21. The upper plate

22. The fix of the table is good when:

23. Positive error is caused if

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

25. In leveling, the station where the back sight and foresight readings are taken is known as

26. The accuracy required in precise leveling is of the order of (Where K is the total distance of the level line in KM)

27. 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

28. The direct method of contouring is

29. Tacheometry is best suited

30. The amount of correction due to local attraction at a place

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

32. In survey, it was recorded that Σfall = 0 then

33. The advantage of anallatic lens is

34. A river is an obstacle to

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

36. The magnetic bearing of a line is 60°, and the true bearing of the same line is 70°. Find the declination

37. Natural error in leveling is caused due to

38. An invert is taken when the point is

39. Permanent adjustment is carried out to

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

41. Normal tension is that pull which

42. Limiting the length of offset depends upon

43. In normal condition, the difference of fore and back bearing should be?

44. For any point on the surface with a given inclination, the contour gradient possible is

45. Find the length of curve if R=500 m, Intersection angle= 120°

46. The method of plane tabling generally adopted to obtain details and plotting inaccessible points is:

47. Leveling across a river is done by

48. When a chain line encounters a river:

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

50. The fundamental lines of transit of the theodolite are