Surveying Online Test – Paper 3

1. Leveling across a river is done by

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

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

4. A series of closely spaced contour lines represent a

5. The bearing of the traverse line is calculated by

6. Axis method of traverse correction is used when

7. The number of horizontal cross wires in a stadia diaphragm is

8. An anallatic lens is a.... used to remove an additive constant in a tacheometer.

9. The tacheometric method is a more suitable method for preparing the contour map of

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

11. Which one is wrong?

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

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

14. If the quadrantal bearing of a line is N 35° W, then the whole circle bearing is

15. Size of a theodolite is specified by

16. If the bearing of AB is N 30° W and the bearing of BC is N 40° E, then find the angle < ABC

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

18. It is more difficult to obtain good results while measuring the horizontal distance by the stepping method

19. Right face and left face readings are taken to

20. If W is the weight of the chain, L is the span, and P is the tension or pull, the sag correction for the chain will be

21. The chain length which is not the standard metric chain length is

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

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

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

25. The difference between the sum of the measured angles and the theoretical sum of the angles of a closed traverse is called the

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

27. Boning rod is used

28. 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

29. In a theodolite, the line passing through the intersection of the horizontal and vertical crosshairs and the optical center of the object glass and its continuation is known as

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

31. The whole circle bearing 338°42" converted into quadrantal form is given as

32. If the formation level is less than the ground level, the difference between them at any point will give the

33. The size of the plane table is:

34. Parallax may be eliminated by

35. Level surface is parallel to

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

37. The instrument used for measuring area on a contour map is

38. The included angles of the theodolite traverse are generally measured

39. The prismatic compass and the surveyor's compass respectively give

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

41. 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

42. The "point of the curve" of a simple circular curve is

43. The tie line is run through the survey to

44. Positive error is caused if

45. Contour interval is proportional

46. Secular variation is an important factor because

47. 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

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

49. 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

50. 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?