Surveying Online Test – Paper 3

1. The upper plate

2. *The two-peg method is used to check the parallelism between the

3. Sensitivity of a level tube is expressed by

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

5. *Total station measures

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

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

8. Azimuth and altitude of a star

9. The surface of zero elevation around the earth, which is slightly irregular and curved, is known as

10. Find the length of curve if R=500 m, Intersection angle= 120°

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

12. A traverse consists of six sides; then the sum of external angles must be

13. The types of instrument generally used in the survey of gravity water supply system are:

14. Which of the following terms is not associated with leveling:

15. Staff intercept means

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

17. Diurnal variation depends upon

18. If the observed reading of a level staff is 3.83m, and at the point sighted the staff is 0.15m off from the vertical through the bottom, the correct reading will be

19. The theory of probability is applied to

20. The length of an Engineer's chain is

21. The representation of general topography of a very flat terrain is possible only

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

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

24. Magnetic declination

25. 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

26. The device used in computing the horizontal and vertical distances rapidly and conveniently is

27. To orient a plane table without two inaccessible points, the method generally adopted is:

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

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

30. Resection is the method employed for:

31. The dip of the needle

32. 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)

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

34. Dumpy level is used when

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

36. Any arbitrarily assumed level line from which vertical distances are measured is known as

37. A benchmark (BM) is a

38. The function of the leveling head is

39. The contour interval depends upon

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

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

42. The telescope is said to be normal when the

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

44. The three-point problem can be solved by:

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

46. The last reading of leveling is always at

47. 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

48. The shape of the vertical curve generally used is

49. Which one is the simplest survey?

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