Surveying Online Test – Paper 3

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

2. In profile leveling, staff readings on two neighboring pegs 20m apart are 1.200 and 1.00, respectively. Therefore, the proposed road has a

3. *Which instrument is not used in plane table

4. A negative declination shows the magnetic meridian to the

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

6. The Philadelphia rod is a type of

7. 'SPIRE TEST' is used in the permanent adjustment of theodolite for

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

9. If the sum of northing of a traverse exceeds the sum of southing by 2m and the sum of easting exceeds the sum of westing by 2m, the resulting closing error will be

10. Bowditch's rule is applied to

11. The contour interval depends upon

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

13. If the distance between two points A and B is 1km, the combined correction for curvature and refraction will be

14. Azimuth and altitude of a star

15. For the route survey of a contour map, the method used is

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

17. The spacing of crosshairs in a stadia diaphragm of a tacheometer is 1.5mm, and the focal length of the objective glass is 30cm, the multiplying constant of the tacheometer is

18. The fundamental lines of transit of the theodolite are

19. 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

20. A diagonal eyepiece is provided with a

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

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

23. 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

24. Automatic level has advantages of

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

26. If the magnetic bearing of a line is 65° and the true bearing 45°, then the magnetic declination is

27. The sensitivity of the bubble tube can be increased by

28. For the construction of a highway railway

29. A benchmark (BM) is a

30. The magnetic bearing of a line is 60°, and the true bearing of the same line is 70°. Find the declination

31. The optical square is based on the principle of

32. The absence of spherical aberration in a telescope is known as

33. The vertical distance between any two consecutive contours is known as

34. If n observations are taken, the accidental errors are proportional to

35. The strength of the fix of a plane table is:

36. The principle of surveying to prevent the accumulation of errors is

37. Contour interval, within the limits of a map

38. The direction of the steepest slope on a contour is

39. The contour lines are perpendicular to the

40. A level line is a

41. Actually, which is not the method of plane tabling?

42. Handles of chains are made of

43. Open cross-staff is commonly used for setting out

44. 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

45. If the magnetic declination is (-)6°0' and the reduced bearing of a line is S40°01'E, the true bearing of the line is

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

47. The imaginary line passing through the intersection of crosshairs and the optical center of the object is known as:

48. The sensitivity of the bubble tube expressed in terms of the angular value of one division of the bubble is given by

49. In a closed traverse by included angles, the sum of measured interior angles should be equal to

50. Handles are connected to the link by