Surveying Online Test – Paper 3

1. When a chain line encounters a river:

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

3. "A curve of varying radius introduced between two branches of a compound curve is called

4. True meridians

5. The method of leveling in which the plane table is set at only one station to take detail is known as:

6. *Which instrument is not used in plane table

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

8. The upper plate

9. The Philadelphia rod is a type of

10. Tilting levels are used for

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

12. The most probable value of an observed quantity available from a given set of observations is the one for which the sum of the square of errors is a minimum. This statement is called

13. Tellurometer uses

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

15. Bench marks are fixed by

16. An anallatic lens is a.... used to remove an additive constant in a tacheometer.

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

18. The spacing of cross-sections in the indirect method of contouring depends upon

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

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

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

22. Different grades are joined together by a

23. The projection of a line on a plane parallel to the meridian is known as

24. The types of survey used to fix property lines are

25. Tacheometry is best suited

26. The order of accuracy of the elevation of points obtained from a contour map is equal to

27. The W.C.B of a line is preferred to a quadrantal bearing merely because

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

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

30. In a double-line river, contours are

31. 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

32. In a closed traverse by included angles, the sum of measured interior angles should be equal to

33. The outer spindle attached to the lower plate in a transit theodolite is known as

34. The reduced level of the line of collimation is 50m, and the staff reading at the base of the pillar is 1.15 m. Find the reduced level of the base of the pillar

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

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

37. If the staff is held vertical and the angle of elevation and depression are kept the same, then the horizontal distance between the instrument and staff station computed by observation will be

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

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

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

41. The two-point problem is:

42. If the needle is truly magnetic and is not sluggish

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

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

45. A Cadastral Map is a map having

46. The boundary of water of a still lake is

47. Fifteen readings were recorded in a level field book. If the instrument was shifted after the 5th, 10th, and 15th readings, then the foresight readings are

48. *The radius of curvature of the arc of the bubble tube is generally kept

49. The projection of a line on a plane perpendicular to the meridian is known as

50. A negative declination shows the magnetic meridian to the