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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Certificate: Yes
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1 / 50

1. The height of instrument method is

a) less tedious

b) more rapid

c) includes less calculation

d) all of the above

2 / 50

2. The difference between a level line and a horizontal line is that

a) the level line is normal to the plumb line, while the horizontal line is not necessarily

b) the level line is curved, but the horizontal line is a straight line

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

d) none of the above

3 / 50

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

a) convex lens

b) double concave lens

c) plano concave lens

d) convex concave lens

4 / 50

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

a) tacheometry

b) hydrography

c) topography

d) all of the above

5 / 50

5. When several contours coincide, it indicates

a) an overhanging

b) a saddle

c) a valley

d) a vertical cliff

6 / 50

6. The reciprocal leveling eliminates

a) the error due to curvature

b) collimation error

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

d) none of the above

7 / 50

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

a) the north point clockwise

b) the north point or south point, whichever is nearer

c) the north point anticlockwise

d) none of the above

8 / 50

8. The length of the perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to

a) shift

b) 2 x shift

c) 3 x shift

d) 4 x shift

9 / 50

9. The trunion axis or transverse axis is

a) the axis about which the telescope can be rotated in a vertical plane

b) the axis about which the telescope can be rotated in a horizontal plane

c) also known as the line of collimation

d) none of the above

10 / 50

10. 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

11 / 50

11. The angle of intersection of the horizon mirror and the index mirror of an optical square is

a) 30°

b) 45°

c) 105°

d) 120°

12 / 50

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

a) 74°

b) 45°

c) 115°

d) 156°

13 / 50

13. Negative errors are caused in the chain when its length is

a) less than the standard length

b) equal to the standard length

c) any of the above

d) more than the standard length

14 / 50

14. A poor fix of the table is:

a) when the station is within the great triangle

b) when the station is near the great circle

c) when the angle subtended is small

d) all of the above

15 / 50

15. Local attraction in compass surveying may be due to

a) faulty adjustment in the compass

b) the presence of magnetic materials

c) loss of magnetism in the needle

d) friction of the needle at the point

16 / 50

16. The angle subtended by the long chord of a simple curve at its center is equal to

a) 2* deflection angle

b) 3* deflection angle

c) none of the above

d) deflection angle

17 / 50

17. The purpose of triangulation in a chain survey is

a) finding the direction of points

b) establishment of accurate control points

c) transferring the control point

d) none of the above

18 / 50

18. The errors due to bad ranging are

a) cumulative positive

b) cumulative negative

c) compensating

d) cumulative positive or negative

19 / 50

19. The "point of the curve" of a simple circular curve is

a) point of commencement

b) point of tangency

c) point of intersection

d) all of the above

20 / 50

20. For a line AB

a) the forebearing and back bearing of line AB differ by 180°

b) the forebearing of AB and the back bearing of line BA differ by 180°

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

d) none of the above

21 / 50

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

a) traverse base

b) transverse base

c) corrected base

d) traverse length

22 / 50

22. Orientation is the operation of keeping the table at successive stations such that:

a) the position of the table at the station is parallel to the position it occupied at the previous station

b) the position of the station plotted on the sheet is exactly above the corresponding station on the ground

c) the table is brought into a horizontal plane

d) none of the above

23 / 50

23. The maximum number of omitted measurements that can be calculated from latitudes and departures of a closed traverse is

a) one

b) two

c) three

d) four

24 / 50

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

a) mutually invisible

b) too distant

c) on a slopy ground

d) mutually visible

25 / 50

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

a) contour line

b) contour interval

c) horizontal equivalent

d) contour gradient

26 / 50

26. The survey stations set up during traversing with the compass should be such that

a) they are visible from each other

b) chaining between them is easy

c) the line joining them is near the objects to be located

d) they are as long as possible

27 / 50

27. The rise and fall method

a) provides a check on the intermediate readings

b) is preferable for differential and check leveling

c) suitable for important works

d) all of the above

28 / 50

28. Direction of the closing error is given by

a) sin^-1 ΣD/ΣL

b) tan^-1 ΣD/ΣL

c) sin^-1 ΣL/ΣD

d) tan^-1 ΣL/ΣD

29 / 50

29. A curve consists of two areas of different radii bending in the same direction and lying on the same side of their common tangent and their centers being on the same side of the curve is known as a

a) transition curve

b) vertical curve

c) compound curve

d) reverse curve

30 / 50

30. 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

a) 200

b) 100

c) 50

d) 25

31 / 50

31. In a theodolite, staff readings for upper, middle, and lower crosshairs are 1.4, 0.9 & 0.4, respectively. If the height of the tower is 100m, then find the horizontal distance between the instrument station and the base of the tower

a) 40m

b) 90m

c) 140m

d) 100m

32 / 50

32. The Philadelphia rod is a type of

a) solid staff

b) folding staff

c) telescopic staff

d) none of the above

33 / 50

33. 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

34 / 50

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

a) increases

b) decreases

c) remains constant

d) none of the above

35 / 50

35. In leveling across a hill, the level should be set up on

a) the side of the hill

b) its top

c) both (a) and (b) above

d) none of the above

36 / 50

36. If the observed reading of a level staff is 3.83m, and at the point sighted the staff is 0.15m off from the vertical through the bottom, the correct reading will be

a) 3.827m

b) 3.83m

c) 3.834m

d) 3.384m

37 / 50

37. Setting up the plane table consists of operations:

a) leveling

b) centering

c) leveling and centering

d) orienting

38 / 50

38. In the intersection method of plane tabling, the number of stations needed to be set up is:

a) 1

b) 2

c) 3

d) none of the above

39 / 50

39. For a tacheometer, the additive and multiplying constants are respectively

a) zero and zero

b) zero and 100

c) 100 and zero

d) 100 and 100

40 / 50

40. A contour map of the area is essential before proceeding with the construction of

a) a building

b) a swimming pool

c) a dam

d) a bridge

41 / 50

41. 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

a) 0.8m

b) 0.4m

c) 0.32m

d) 0.20m

42 / 50

42. 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

43 / 50

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

a) line of sight

b) line of collimation

c) line of axis

d) axis of the telescope

44 / 50

44. Axis method of traverse correction is used when

a) the angles are measured very accurately

b) the lengths are measured very accurately

c) both (a) and (b) are not measured very accurately

d) any of the above

45 / 50

45. For the construction of a highway railway

a) longitudinal sections are required

b) cross sections are required

c) both longitudinal and cross sections are required

d) none of these

46 / 50

46. The benchmark of a station A is 500 m, and the back sight reading at the point A is 2 m & foresight reading of station B is 3 m. Find the RL of station B

a) 502 m

b) 503 m

c) 499 m

d) 505 m

47 / 50

47. A 30m chain was found to be 20cm too long after chaining 1500m. The correct length of the total distance chained will be

a) 1495m

b) 1500m

c) 1505m

d) none of the above

48 / 50

48. The shape of the vertical curve generally used is

a) circular

b) parabolic

c) spiral

d) elliptical

49 / 50

49. Intersection is preferred to radiation when:

a) the lengths are too short

b) it is not possible to measure any distance

c) the points are too far and invisible

d) the points are inaccessible

50 / 50

50. If the needle is truly magnetic and is not sluggish

a) it will always be oscillating and never stop

b) when it stops, it will be exactly on the magnetic meridian

c) it will always be free from local attraction

d) all of the above

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