Surveying Online Test - Paper 3 » Winning Questions

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Vikash chaudhary

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Total Questions: 50
Time Allotted: 50 minutes
Passing Score: 70%
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1 / 50

1. The types of survey in which fieldwork and plotting proceed simultaneously are:

a) plane table

b) compass

c) leveling

d) tacheometric

2 / 50

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

a) indistinct focusing

b) parallax

c) aberration

d) none of the above

3 / 50

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

a) intersection

b) resection

c) radiation

d) two-point problem

4 / 50

4. The instrument used for centering the plane table accurately is:

a) spirit level

b) trough compass

c) plumbing fork

d) alidade

5 / 50

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

a) error due to eccentricity of verniers

b) error due to imperfect adjustment of levels

c) error due to the line of collimation not being perpendicular to the horizontal axis

d) all of the above

6 / 50

6. Azimuth (direct angles) is an angle measured in

a) c.w. direction

b) a.c.w. direction

c) both

d) none of the above

7 / 50

7. The three-point problem can be solved by:

a) tracing paper method

b) graphical method

c) trial and error method

d) all of the above

8 / 50

8. The closing error is given by

a) √(ΣL^2+ΣD^2)

b) √((ΣL+ΣD))^2

c) ΣL^2 +ΣD^2

d) none of the above

9 / 50

9. The Q.B of the lines are given by...., ...., & ..... If W.C.B. of the lines are 0°, 135°, 270° respectively

a) S, S45°E, E90°

b) N, N45°W, E90°

c) N, S45°E, E90°

d) N, S45°E, W90°

10 / 50

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

a) staff man

b) instrument man

c) both (a) and (b) of above

d) none of the above

11 / 50

11. The intercept of a staff is

a) minimum if the staff is held truly normal to the line of sight

b) maximum if the staff is held truly normal to the line of sight

c) decreases if the staff is tilted away from normal

d) increases if the staff is tilted away from normal

12 / 50

12. For accurate work, in comparison to the chain, the steel band is used because it

a) is light in weight

b) is easy to handle

c) is practically inextensible

d) all of the above

13 / 50

13. Revolving of the telescope of a theodolite in a horizontal plane is

a) transiting

b) swinging

c) face right

d) face left

14 / 50

14. The main difference between theodolite and level is:

a) the power of the theodolite is always greater than the level

b) level is cheaper than theodolite

c) level can't measure horizontal angle, but theodolite can measure horizontal angle

d) in level, the telescope can't be revolved in a vertical plane about the horizontal axis of the telescope

15 / 50

15. *Which instrument is not used in plane table

a) plane table

b) alidade

c) altimeter

d) anchor

16 / 50

16. Cubic parabola is a type of

a) transition curve

b) vertical curve

c) compound curve

d) simple curve

17 / 50

17. Contour lines

a) cross each other

b) end abruptly

c) are uniformly spaced

d) close somewhere

18 / 50

18. Compensating errors in chaining or other surveys are

a) proportional to the length of the line

b) proportional to the square root of the length of the line

c) inversely proportional to the square root of the length of the line

d) inversely proportional to the length of the line

19 / 50

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

a) compass

b) tacheometric

c) plane table

d) contour

20 / 50

20. A traverse deflection angle is

a) less than 90°

b) between 90° and 180°

c) the difference between the included angle and 180°

d) none of the above

21 / 50

21. The theory of probability is applied to

a) cumulative errors

b) compensative errors

c) accidental errors

d) none of the above

22 / 50

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

a) prismatic compass

b) surveyor's compass

c) celestial observations

d) none of the above

23 / 50

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

a) inaccurate centring

b) inaccurate levelling

c) plane of sight not being vertical

d) carelessness in reading and recording

24 / 50

24. If n observations are taken, the accidental errors are proportional to

a) n

b) n^2

c) √n

d) 1/n

25 / 50

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

a) 15√N

b) 153√N

c) √N

d) 3√N

26 / 50

26. Tacheometry is adopted where

a) too many curves at the borders exist

b) obstacles and undulations exist

c) limitations of space exist

d) none of the above

27 / 50

27. Butt rods are used for measuring

a) baseline

b) tie line

c) offset distance

d) vertical distance

28 / 50

28. The longitudinal section of the surface of the bubble tube is

a) straight

b) circular

c) parabolic

d) elliptic

29 / 50

29. Secular variation is an important factor because

a) the variation is due to seasonal changes

b) the magnitude of variation is of a high order, and the needle after coming to a standstill may move in the opposite direction

c) the needle will stop

d) the variation is less

30 / 50

30. Personal error in leveling occurs due to

a) careless leveling of the instrument

b) bubble not centered

c) staff not held vertical

d) all of the above

31 / 50

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

a) vernier plate

b) scale plate

c) alidade

d) none of the above

32 / 50

32. Contour interval is proportional

a) directly to the scale of the map

b) inversely to the scale of the map

c) directly to the flatness of the ground

d) none of the above

33 / 50

33. The three-point problem is concerned with:

a) chain survey

b) plane table survey

c) compass survey

d) leveling

34 / 50

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

a) angular closing error

b) closing error in bearing

c) relative closing error

d) all of the above

35 / 50

35. In compass surveying

a) the direction and lengths of the survey line are measured by compass

b) the direction is measured by the compass

c) length is measured by the chain or tape

d) both (b) and (c) of above

36 / 50

36. The order of accuracy of the elevation of points obtained from a contour map is equal to

a) contour interval

b) 1/2 x control interval

c) 1/4 x contour interval

d) none of the above

37 / 50

37. The projection of a line on a plane parallel to the meridian is known as

a) parallax

b) aberration

c) latitude

d) departure

38 / 50

38. The types of leveling used for Geodetic survey is

a) fly leveling

b) precise leveling

c) profile leveling

d) none of the above

39 / 50

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

a) parallax

b) aberration

c) latitude

d) departure

40 / 50

40. 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

a) 90891 acres

b) 10201 acres

c) 10401 acres

d) none of the above

41 / 50

41. When a chain line encounters a river:

a) chaining is obstructed, but ranging is free

b) ranging is obstructed, chaining is free

c) both ranging and chaining are obstructed

d) both ranging and chaining are free

42 / 50

42. The multiplying constant of a tacheometer is

a) f/d

b) f/I

c) f(i+d)

d) none of the above

43 / 50

43. Crosshairs in a surveying telescope are fitted

a) in the objective glass

b) in the ground

c) in the optical center of the eyepiece

d) all of the above

44 / 50

44. 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

a) greater at an angle of elevation

b) greater at an angle of depression

c) same in both cases

d) none of the above

45 / 50

45. The needle is adjusted for

a) balancing

b) straightening vertically and horizontally

c) all of the above

d) sensitivity

46 / 50

46. A leveling station is a point where:

a) the leveling machine is set up

b) both back sight and foresight are taken

c) the level staff is held

d) both A and B

47 / 50

47. 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

a) angular closing error

b) closing error in bearing

c) relative closing error

d) none of the above

48 / 50

48. Contours are used to determine

a) intervisibility of points on a contour map

b) area of the drainage basin and capacity of the reservoir

c) quantities of earth work

d) all of the above

49 / 50

49. Find the contour interval for the map, 1: 25000 in IS & FPS

a) 4m & 20.70ft

b) 6m & 19.70ft

c) 3m & 20.70ft

d) 5m & 19.70ft

50 / 50

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

a) contour line

b) contour gradient

c) contour interval

d) horizontal equivalent

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