Surveying Online Test – Paper 3

1. *The instrument used to measure horizontal and vertical angle is

2. Choose the correct statement:

3. The projection of a line on a plane parallel to the meridian is known as

4. Bench marks are fixed by

5. 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

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

7. 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

8. The direct method of contouring is

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

10. The theory of probability is applied to

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

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

13. The multiplying constant of a tacheometer is

14. A scale representing either three units or only one unit and its fractions up to the second place of the decimal point is

15. Staff intercept means

16. Angular surveying in which both the horizontal and vertical positions of a point are obtained by optical means is known as

17. When a chain line encounters a river:

18. A poor fix of the table is:

19. The orientation of the table is done by

20. If S is the value of one smallest division on the main scale, v is the value of one smallest division on the vernier, and n is the number of divisions on the vernier, then the least count is given by

21. A negative declination shows the magnetic meridian to the

22. The true bearing of a line can be calculated as (Where the declination is to the east.)

23. Which one is the simplest survey?

24. Chainage is the distance measured

25. The contour line can cross one another on a map only in the case of

26. The magnification of a telescope lens depends upon

27. Tacheometry is best suited

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

29. The important points selected at the ends of the chain lines to command the boundaries of the survey are known as

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

31. A leveling station is a point where:

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

33. Tacheometry is adopted where

34. The method of tacheometry in which the observation is made with stadia wires with a variable interval is known as

35. A curve consists of two areas of different radii bending in the same direction and lying on the same side of their common tangent and their centers being on the same side of the curve is known as a

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

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

38. Cubic parabola is a type of

39. A series of closely spaced contour lines represent a

40. The effect of local attraction is observed in

41. Well-conditioned triangle having an angle between

42. The projection of a line on a plane perpendicular to the meridian is known as

43. In leveling, the station where the back sight and foresight readings are taken is known as

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

45. If Θ is the angle of the slope, L is the length of the slope, and H is the difference in elevation between the two ends of the link, then the slope correction will be

46. Hydrographic survey deals with the mapping of

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

48. Ranging is the process of

49. The process of turning the telescope about the horizontal axis in a vertical plane by a complete revolution is known as

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