Surveying Online Test – Paper 3

1. In a closed traverse by included angles, the sum of measured interior angles should be equal to

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

3. The magnetic declination at a place is 7°20' W, the bearing given by the compass is S45°40'E, the true bearing of the place is

4. Methods adopted for traversing are

5. The limiting length of an offset does not depend upon

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

7. 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

8. The magnification of a telescope lens depends upon

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

10. The accuracy of measurement in chain surveying does not depend upon

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

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

13. If the included angle is less than 180°, the deflection angle is

14. A 30 m long tape was standardized at a temperature of 30°C; at the time of measurement, the temperature recorded was 35°C. Then the correction for temperature per tape length is (coefficient of thermal expansion = 0.0001116/°C)

15. The upper plate

16. Obstacle to ranging but not chaining is

17. In the stadia method, if k is the multiplying factor, s is the staff intercept, c is the additive constant of the instrument, then the distance equation is given by the expression

18. Handles of chains are made of

19. The theory of probability is applied to

20. The contour lines are perpendicular to the

21. Diurnal variation depends upon

22. The quadrantal system confines the user to measure the bearings from

23. Cubic parabola is a type of

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

25. The vertical distance between any two consecutive contours is known as

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

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

28. When a chain line encounters a river:

29. 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

30. The multiplying constant of a tacheometer is

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

32. The outer spindle attached to the lower plate in a transit theodolite is known as

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

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

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

36. If the focal length of the objective glass is 20cm, and the distance from the object glass to the trunnion axis is 12cm, the additive constant is

37. 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

38. *Error due to imperfect adjustment of plate level is termed as

39. The Philadelphia rod is a type of

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

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

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

43. Find the RL of the collimation line. If the RL of BM is 100 m & BS staff reading is 5.35 m

44. During leveling staff readings are taken 1.0, 0.8 & 0.6 from consecutive horizontal crosshairs, the staff intercept should be

45. The two-point problem as compared to the three-point problem is:

46. Geodetic survey is different from plane surveying because of

47. Tilting levels are used for

48. In trigonometrical leveling, the combined correction is given by (where m=coefficient of refraction)

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

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