Surveying Online Test – Paper 3

1. The shape of the vertical curve generally used is

2. A series of closely spaced contour lines represent a

3. The boundary of water of a still lake is

4. Positive error is caused if

5. Size of a theodolite is specified by

6. A relatively fixed point of known elevation above the datum is called

7. Which of the following instruments is generally used for baseline measurements?

8. Placing the table over the station such that the station plotted on the sheet is exactly above the corresponding station on the ground is:

9. The permissible limits of error in chaining for measurement on rough or hilly ground are

10. The place where the reading is taken is known as

11. The surface perpendicular to the direction of gravity is

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

13. *When it is not possible to set up the level, midway between the two points, then the difference in elevation between them is measured by

14. 'SPIRE TEST' is used in the permanent adjustment of theodolite for

15. Fifteen readings were recorded in a level field book. If the instrument was shifted after the 5th, 10th, and 15th readings, then the foresight readings are

16. A diagonal eyepiece is provided with a

17. A negative declination shows the magnetic meridian to the

18. Plane table surveying is a graphical method of surveying in which:

19. Azimuth and altitude of a star

20. The intercept of a staff is

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

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

23. Leveling across a river is done by

24. The levels to which the earthwork will have to be carried out is known as

25. Metallic tapes are made of

26. The image of the objectives formed should lie

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

28. Staff intercept means

29. *For the construction of highway/railway

30. With the help of leveling, we measure

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

32. The W.C.B of a line is preferred to a quadrantal bearing merely because

33. Offsets are

34. Ten readings were recorded in a level field book. If the instrument was shifted after the 2nd and 6th readings, then the foresight readings are

35. The amount of correction due to local attraction at a place

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

37. The optical square is based on the principle of

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

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

40. While measuring horizontal distance by stepping method we should follow

41. The process of turning the telescope about the vertical axis in a horizontal plane is known as

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

43. 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

44. The process of bringing the vertical circle to the right of the observer is called

45. Which one is the simplest survey?

46. If a chain is found too short on testing, it can be adjusted by

47. The multiplying constant of a tacheometer is

48. Chainage is the distance measured

49. For a line AB

50. Theodolite is an instrument used for measuring