Surveying Online Test – Paper 3

1. Direct distance measurement method is more suitable to measure in

2. The tie line is run through the survey to

3. A discrepancy is the difference between

4. A straight line tangential to the longitudinal curve of the level tube at its center is known as

5. 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

6. *Accuracy of 'fix' by two-point problem is

7. A field is measured with a 1.0 percent too-long chain is found to be 10,000 acres. The corrected area of the field will be

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

9. If the intercept on the vertical staff is observed as 1.5mm from a tacheometer, the horizontal distance between the tacheometer and staff station is

10. An offset scale always has the zero mark at

11. 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

12. In a dumpy level, the objective and eyepiece lenses are made of two or more small lenses to obtain

13. Azimuth and altitude of a star

14. *The correction for refraction is given by

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

16. The inclination of the needle to the horizontal towards the pole is called

17. "A curve of varying radius introduced between two branches of a compound curve is called

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

19. If the image formed by the objective of the telescope is not in the plane of crosshairs, it is called

20. A river is an obstacle to

21. If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for:

22. Which one of the following may not be classified as personal error

23. Contour lines of different elevations can unite to form one line only in the case of

24. The horizontal distances obtained by tacheometry are corrected for

25. Bench marks are fixed by

26. Angle of 45° with the chain line may be set out with

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

28. An imaginary line lying through the surface of the ground, having a constant inclination to the horizontal, is known as

29. The difference between the two bearings of the last line as observed at the first and the last station of a traverse is known as

30. The type of survey in which horizontal and vertical distance is measured

31. Working edge of alidade is called

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

33. Boning rod is used

34. Leveling across a river is done by

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

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

37. Staff intercept means

38. Setting up the plane table consists of operations:

39. In survey, it was recorded that Σfall = 0 then

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

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

42. Chain surveying is used for

43. The spacing of crosshairs in a stadia diaphragm of a tacheometer is 1.5mm, and the focal length of the objective glass is 30cm, the multiplying constant of the tacheometer is

44. The minimum horizontal distance between any two consecutive contours is known as

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

46. The fundamental lines of transit of the theodolite are

47. The smaller angle which a survey line makes with the true meridian is known as

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

49. Which one is wrong?

50. The imaginary line passing through the intersection of crosshairs and the optical center of the object is known as: