Surveying Online Test – Paper 3

1. When several contours coincide, it indicates

2. In an internal focusing type of telescope, the negative lens provided is

3. In a tacheometer provided with an anallatic lens, the distance between the object glass and the vertical axis is 15 cm. The focal length of the objective is 15 cm, and that of the anallatic lens is 10 cm. Hence, the distance between the two lenses is

4. The benchmark of a station A is 500 m, and the back sight reading at the point A is 2 m & foresight reading of station B is 3 m. Find the RL of station B

5. The types of survey in which fieldwork and plotting proceed simultaneously are:

6. Metallic tapes are made of

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

8. The multiplying constant of a tacheometer is

9. Horizontal equivalent of a uniform slope must be

10. The quadrantal bearing of a line is determined by:

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

12. The bearing of line AB is 200° and that of BC is 270°, the included angle ABC is

13. "Cross-sectioning" and "Longitudinal sectioning" is

14. In a prismatic compass,

15. Contour interval is proportional

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

17. The angular and linear measurement of the part of the traverse can be checked by

18. Contour interval, within the limits of a map

19. Different grades are joined together by a

20. The survey stations set up during traversing with the compass should be such that

21. Secular variation is an important factor because

22. The theory of probability is applied to

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

24. The bearing of the traverse line is calculated by

25. The upgrade road meets with the downgrade road, then the curve formed at the junction is called

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

27. A river is an obstacle to

28. "Fiducial edge" is the working edge of

29. *The line of collimation should be parallel to

30. The Philadelphia rod is a type of

31. The length of an Engineer's chain is

32. A discrepancy is the difference between

33. A building is an obstacle to

34. In a traverse, the algebraic sum of the deflection angles, taking the right-hand deflection angles as positive and left-hand deflection as negative, should be equal to

35. Tacheometry is best suited

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

37. In chain survey execution, this first step taken is

38. 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

39. The most probable value of an observed quantity available from a given set of observations is the one for which the sum of the square of errors is a minimum. This statement is called

40. *For the construction of highway/railway

41. The area of the earth's surface is taken into account only if the extent of the survey is more than

42. The rise and fall method of leveling provides a complete check on

43. 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?

44. The main difference between an optical square and a prism square is

45. A benchmark (BM) is a

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

47. The position of a point can be fixed more accurately by

48. The intercept of a staff is

49. In the whole circle system, the bearings are measured

50. Handles are connected to the link by