Surveying Online Test – Paper 3

1. If the length of a transition curve is such that the full super elevation is attained at the junction with the circular curve, the resultant curve is known as

2. The limiting length of an offset does not depend upon

3. 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?

4. When the following scale is the smallest one

5. If the station A and B are equally affected and in the different direction, then the difference between the forebearing and back bearing of a line AB should be

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

7. Setting up the plane table consists of operations:

8. In a double-line river, contours are

9. 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

10. An operation for determining the relative elevations of different points on the surface of the earth is known as

11. Normal tension is that pull which

12. The needle is adjusted for

13. Plane table surveying is a graphical method of surveying in which:

14. Positive error is caused if

15. True meridians

16. Crosshairs in a surveying telescope are fitted

17. A traverse survey can be plotted

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

19. The Normal chord of a curve should be

20. In the scale of a map is 1:25000, what does it mean:

21. A series of straight, parallel, and widely spaced contours on a map represent a

22. The maximum allowable limit up to which a measurement may vary from the true value is known as

23. Distomats is a type of

24. Contour lines

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

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

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

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

29. The angle which the true meridian makes with the magnetic meridian is called

30. Offset angle taken in chain survey may be

31. The reduced level of the line of collimation is 50m, and the staff reading at the base of the pillar is 1.15 m. Find the reduced level of the base of the pillar

32. Diurnal variation depends upon

33. A straight line tangential to the longitudinal curve of the level tube at its center is known as

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

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

36. With the help of leveling, we measure

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

38. Sensitivity of a level tube is expressed by

39. Local attraction at a place may be due to

40. The trunion axis or transverse axis is

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

42. Tacheometry is best suited

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

44. A level line is a

45. The fix of the table is good when:

46. The "point of the curve" of a simple circular curve is

47. Azimuth (direct angles) is an angle measured in

48. The method of offset laying involving minimum measurement on the ground is

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

50. The difference between the sum of the measured angles and the theoretical sum of the angles of a closed traverse is called the