Surveying Online Test – Paper 3

1. The graduations in a prismatic compass are

2. A level line is a

3. The difference between the most probable value of a quantity and its observed value is

4. Orientation is the operation of keeping the table at successive stations such that:

5. Overturning of vehicles on a curve can be avoided by using

6. Prolongation of a chain line across an obstruction in chain surveying is done by

7. Open cross-staff is commonly used for setting out

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

9. If the needle of the compass is sluggish the type of error will be

10. Which one is wrong?

11. Cubic parabola is a type of

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

13. Limiting the length of offset depends upon

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

15. Horizontal equivalent of a uniform slope must be

16. Two contour lines, having the same elevation

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

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

19. Theodolite traverse is plotted more accurately by

20. *Total station measures

21. 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

22. The main difference between an optical square and a prism square is

23. The shape of the vertical curve generally used is

24. The instrument used for measuring area on a contour map is

25. Offset angle taken in chain survey may be

26. Automatic level has advantages of

27. Direction of the closing error is given by

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

29. In the whole circle system, the bearings are measured

30. The length of an Engineer's chain is

31. The strength of fix' is poor when:

32. For a station to be free from local attraction

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

34. Leveling across a river is done by

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

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

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

38. *The correction for refraction is given by

39. A 20 cm theodolite means

40. The magnification of a telescope lens depends upon

41. Diurnal variation depends upon

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

43. If the bearing of AB is N 30° W and the bearing of BC is N 40° E, then find the angle < ABC

44. The levels to which the earthwork will have to be carried out is known as

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

46. Bowditch's rule is applied to

47. Pick up the odd statement

48. 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

49. The types of leveling used for Geodetic survey is

50. Boning rod is used