Surveying Online Test – Paper 3

1. The three-point problem is concerned with:

2. Methods adopted for traversing are

3. Chain surveying is used for a small area in

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

5. A contour map of the area is essential before proceeding with the construction of

6. Compensating errors in chaining or other surveys are

7. The line normal to the plumb line is known as

8. A building is an obstacle to

9. The range of accuracy in measuring distance by EDM with respect to ODM is

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

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

12. Intersection is preferred to radiation when:

13. "Fiducial edge" is the working edge of

14. The Philadelphia rod is a type of

15. Contours are used to determine

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

17. Setting up the plane table consists of operations:

18. The bearing of the traverse line is calculated by

19. Direct distance measurement method is more suitable to measure in

20. An invert is taken when the point is

21. The elevation (BM) of point A is 100 m. Backsight reading at A is 20, and foresight reading at B is 30 m. Find the RL of point B

22. *The correction for refraction is given by

23. The angular error of closure or summation error should not exceed (Where N is the number of stations or sides.)

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

25. The amount of correction due to local attraction at a place

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

27. The method of tacheometry in which the observation is made with stadia wires with a variable interval is known as

28. The number of horizontal cross wires in a stadia diaphragm is

29. Short offsets are measured with

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

31. In tacheometric survey, the method which provides easy reading of the staff is

32. 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:

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

34. The function of the leveling head is

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

36. The main difference between theodolite and level is:

37. The multiplying constant of a tacheometer is

38. The best method of interpolation of contours in the direct method of contouring is by

39. Area of triangle joining three corner points in comparison to the circle same three points:

40. Contour lines look to cross each other in the case of

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

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

43. The minimum horizontal distance between any two consecutive contours is known as

44. The whole circle bearing 338°42" converted into quadrantal form is given as

45. Staff intercept means

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

47. 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

48. You are requested to carry out a survey for the construction of a small airport in a mountainous region of Nepal. Which of the following surveying method will you choose?

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

50. 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