Surveying Online Test – Paper 3

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

2. The graduations in a prismatic compass are

3. Direction of the closing error is given by

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

5. The observed reading on a leveling staff was 3.525 m. If the staff was 0.125m off from the original ground level, what should be the correct reading?

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

7. Working edge of alidade is called

8. The contour lines merge or cross one another on the map in the case of

9. Find the length of curve if the radius of the curve is 50 m, and the angle of deflection is 60°

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

11. The three-point problem is concerned with:

12. The direct method of contouring is

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

14. Contours are used to determine

15. Pick up the odd statement

16. A bearing noted N45° E represents

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

18. The intercept of a staff is

19. For a line AB

20. The errors due to bad ranging are

21. In survey works, declination varies from time to time and place to place. The main important variation is

22. 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)

23. Tilting levels are used for

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

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

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

27. The difference between a level line and a horizontal line is that

28. Contour lines of different elevations can unite to form one line only in the case of

29. An example of a level surface is

30. For a dumpy level in perfect adjustment, the horizontal cross hair should be in a plane

31. When the angular and linear measurements are equally precise in traversing, the balancing of the traverse is done by:

32. The resection by a two-point problem as compared to the three-point problem:

33. Closed contours with higher value inside represent a

34. Which one is wrong?

35. Leveling across a river is done by

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

37. A river is an obstacle to

38. The trunion axis or transverse axis is

39. An imaginary line connecting the points of equal elevation on the ground surface is known as

40. The distance between terminal points computed from a subsidiary traverse run between them is known as

41. In a dumpy level, the objective and eyepiece lenses are made of two or more small lenses to obtain

42. Limiting the length of offset depends upon

43. A level line is a

44. *Error due to imperfect adjustment of plate level is termed as

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

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

47. A 30 m long chain when tested should not show errors exceeding

48. The accuracy required in precise leveling is of the order of (Where K is the total distance of the level line in KM)

49. Dumpy level is used when

50. The instrument used to reproduce plans to a different scale is called