Surveying Online Test – Paper 3

1. The method most suitable for plotting in hilly areas is:

2. The prismatic compass and the surveyor's compass respectively give

3. In an internal focusing type of telescope, the negative lens provided is

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

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

6. *For the construction of highway/railway

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

8. Invar tapes are made of an alloy of

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

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

11. Dumpy level is used when

12. True meridians

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

14. *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

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

16. The number of links in a 30 m metric chain is

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

18. The boundary of water of a still lake is

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

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

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

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

23. Which one is the simplest survey?

24. The bearing of the traverse line is calculated by

25. If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for:

26. A discrepancy is the difference between

27. The reciprocal leveling eliminates

28. The included angles of the theodolite traverse are generally measured

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

30. The error eliminated by taking the mean of both face observations is

31. The optical square is based on the principle of

32. Plane table survey is considered good as compared to other surveys since:

33. The multiplying constant of a tacheometer is

34. Indirect ranging method is adopted when two points of the chain line are:

35. 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)

36. A transition curve introduced between the tangent and the circular curve should

37. Intersection is preferred to radiation when:

38. If the level tube is out of adjustment by an angle e, when the telescope is rotated through 180°, it becomes

39. A traverse survey can be plotted

40. Find the RL of the collimation line. If the RL of BM is 100 m & BS staff reading is 5.35 m

41. The area of the earth's surface is taken into account only if the extent of the survey is more than

42. The length of an Engineer's chain is

43. A chain 33 feet long and consisting of 16 links each 2(1/16) feet long is

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

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

46. The foremost work to be executed while traversing with a compass is

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

48. While measuring horizontal distance by stepping method we should follow

49. Horizontal equivalent of a uniform slope must be

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