Surveying Online Test – Paper 3

1. The absence of chromatic aberration in a telescope is known as

2. With the help of leveling, we measure

3. A leveling station is a point where:

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

5. A curve consists of two areas of different radii bending in the same direction and lying on the same side of their common tangent and their centers being on the same side of the curve is known as a

6. The survey which is carried out to determine absolute locations and the direction of any line on the surface of the earth by making observations of heavenly bodies is called

7. When several contours coincide, it indicates

8. Methods adopted for traversing are

9. Chain surveying is used for

10. The longitudinal section of the surface of the bubble tube is

11. 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

12. A traverse consists of six sides; then the sum of external angles must be

13. In the case of leveling staff readings are taken by (In the case of target staff)

14. A relatively fixed point of known elevation above the datum is called

15. A diagonal eyepiece is provided with a

16. The types of leveling used for Geodetic survey is

17. An offset more than 15m in length is known as

18. The boundary of water of a still lake is

19. The process of turning the telescope about the vertical axis in a horizontal plane is known as

20. The shape of the vertical curve generally used is

21. Closed contours with higher value inside represent a

22. *When it is not possible to set up the level, midway between the two points, then the difference in elevation between them is measured by

23. The scale used to measure and to set out the angles is

24. *Total station is

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

26. A chain is made up of mild steel or galvanized iron wire of diameter

27. Positive error is caused if

28. The method of tacheometry in which the stadia hair intercept is fixed is known as

29. Find the R.F. of 1cm = 5m

30. An instrumental error in compass survey is because

31. The instrument used for centering the plane table accurately is:

32. The errors due to bad ranging are

33. The angle of intersection of a curve is the angle between

34. Cubic parabola is a type of

35. Intersection is preferred to radiation when:

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

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

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

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

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

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

42. The resection by a two-point problem as compared to the three-point problem:

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

44. A field is measured with a 1.0 percent too-long chain is found to be 10,000 acres. The corrected area of the field will be

45. The rise and fall method

46. A river is an obstacle to

47. The image of the objectives formed should lie

48. In compass surveying

49. A 30m chain was found to be 20cm too long after chaining 1500m. The correct length of the total distance chained will be

50. The effect of local attraction is observed in