Surveying Online Test – Paper 3

1. The upper plate

2. *The leveling of the instrument is done such that

3. 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

4. The contour interval depends upon

5. The rise and fall method of leveling provides a complete check on

6. The method of plane tabling generally adopted to obtain details and plotting inaccessible points is:

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

8. 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

9. Leveling across a river is done by

10. The reciprocal leveling eliminates

11. Tacheometry is adopted where

12. If the temperature increases, the sensitivity of a bubble tube

13. The chord of curve less than peg interval is known as

14. The distance between terminal points computed from a subsidiary traverse run between them is known as

15. Permanent adjustment is carried out to

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

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

18. The maximum allowable limit up to which a measurement may vary from the true value is known as

19. 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)

20. In a tacheometer provided with an anallatic lens, the distance between the object glass and the vertical axis is 15 cm. The focal length of the objective is 15 cm, and that of the anallatic lens is 10 cm. Hence, the distance between the two lenses is

21. Handles of chains are made of

22. The Normal chord of a curve should be

23. *The observed reading on a leveling staff was 3.545 m. If the staff was 0.150m off from the original ground level, what should be the correct reading?

24. 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

25. The three-point problem is concerned with:

26. If the staff is held vertical and the angle of elevation and depression are kept the same, then the horizontal distance between the instrument and staff station computed by observation will be

27. The angular error of closure or summation error should not exceed (Where N is the number of stations or sides.)

28. *The radius of curvature of the arc of the bubble tube is generally kept

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

30. Pick up the odd statement

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

32. The effect of local attraction is observed in

33. Direction of the closing error is given by

34. Axis method of traverse correction is used when

35. Indirect ranging method is adopted when two points of the chain line are:

36. 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

37. The fundamental lines of transit of the theodolite are

38. An offset more than 15m in length is known as

39. The dip of the needle

40. Setting up the plane table consists of operations:

41. An example of a level surface is

42. Find the length of curve if radius of curve

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

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

45. 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

46. The strength of the fix of a plane table is:

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

48. The best method of interpolation of contours in the direct method of contouring is by

49. For Y level, Cooke's, and Cushing levels, the line of collimation should coincide with

50. Which one is wrong?