Surveying Online Test – Paper 3

1. The dip of the needle

2. Offsets are

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

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

5. An internal focusing type of telescope is focused by the movement of

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

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

8. A 30 m long tape was standardized at a temperature of 30°C; at the time of measurement, the temperature recorded was 35°C. Then the correction for temperature per tape length is (coefficient of thermal expansion = 0.0001116/°C)

9. Which one is the simplest survey?

10. In a theodolite, staff readings for upper, middle, and lower crosshairs are 1.4, 0.9 & 0.4, respectively. If the height of the tower is 100m, then find the horizontal distance between the instrument station and the base of the tower

11. The multiplying constant of a tacheometer is

12. In a closed traverse, the algebraic sum of deflection angles is

13. 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

14. *Which instrument is not used in plane table

15. Which one of the following may not be classified as personal error

16. A series of closed contour lines on the map with higher to lower values inside them represent a

17. Which one is wrong?

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

19. The RL of the benchmark is 1000.0 m, and the back sight reading at the benchmark is 2.555 m. Find the staff reading of IS if the RL of IS is 1000.055 m

20. In a theodolite, the line passing through the intersection of the horizontal and vertical crosshairs and the optical center of the object glass and its continuation is known as

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

22. The contour lines are perpendicular to the

23. 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

24. During leveling staff readings are taken 1.0, 0.8 & 0.6 from consecutive horizontal crosshairs, the staff intercept should be

25. Theodolite is an instrument used for measuring

26. In the intersection method of plane tabling, the number of stations needed to be set up is:

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

28. The bearing of the traverse line is calculated by

29. Closed contours with higher value inside represent a

30. Azimuth and altitude of a star

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

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

33. A 20 cm theodolite means

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

35. Leveling across a river is done by

36. The boundary of water of a still lake is

37. Different grades are joined together by a

38. The length of an Engineer's chain is

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

40. An offset scale always has the zero mark at

41. The maximum permissible difference allowed while taking down the fore bearing and back bearing of a line is

42. The designation of scale recommended by IS: 1491-1959 is

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

44. The contour interval depends upon

45. A disadvantage of plane table survey is:

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

47. In a closed traverse, the closing error should not be more than (where N is the no. of sides of the traverse)

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

49. A staff reading taken on a benchmark/ known elevation or change point is known as

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