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. Tacheometry is best suited

a) where chaining is impossible

b) for populous areas

c) in broken grounds

d) for extremely accurate survey

2 / 50

2. The angle that can be set by a French cross-staff is

a) 45°

b) 90°

c) 45° or 90°

d) none of the above

3 / 50

3. A 30 m long chain when tested should not show errors exceeding

a) ±2mm per metre and ±5mm overall length

b) ±3mm per metre and ±8mm overall length

c) ±2mm per metre and ±8mm overall length

d) ±5mm per metre and ±2mm overall length

4 / 50

4. For a dumpy level in perfect adjustment, the horizontal cross hair should be in a plane

a) perpendicular to the vertical axis

b) parallel to the vertical axis

c) parallel to the axis of the bubble tube

d) none of the above

5 / 50

5. The "point of tangency" of a simple circular curve is

a) point of commencement

b) point of curve

c) point of intersection

d) the point where the curve joins the forward tangent

6 / 50

6. 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

7 / 50

7. The optical square is based on the principle of

a) reflection

b) refraction

c) double reflection

d) double refraction

8 / 50

8. Dumpy level is used when

a) the number of observations to be taken is large from one level position

b) the number of observations to be taken is small from one level position

c) fly leveling is to be done

d) none of the above

9 / 50

9. 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

10 / 50

10. The last reading of leveling is always at

a) back sight

b) fore sight

c) intermediate sight

d) any of the above

11 / 50

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

a) line of collimation and the axis of the bubble tube

b) line of collimation and the axis of the telescope

c) axis of the bubble tube and the vertical axis

d) all of the above

12 / 50

12. The strength of fix' is poor when:

a) the station is within the great triangle

b) the station is outside the great circle

c) the station is on the great circle

d) the station is within the great circle but outside the great triangle

13 / 50

13. 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

14 / 50

14. In a prismatic compass,

a) the magnetic needle moves with the box

b) the magnetic needle and graduated circle do not move with the box

c) the line of sight does not move with the box

d) the graduated circle is fixed to the box, and the magnetic needle always remains in the N-S direction

15 / 50

15. *For the construction of highway/railway

a) longitudinal sections are required

b) cross sections are required

c) both longitudinal and cross sections are required

d) none of these

16 / 50

16. 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

17 / 50

17. 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

18 / 50

18. Working edge of alidade is called

a) fiducial edge

b) knife edge

c) broad edge

d) plane table edge

19 / 50

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

a) the ground is sloping

b) it is continuously rising

c) it is continuously falling

d) none of the above

20 / 50

20. The resection by a two-point problem as compared to the three-point problem:

a) requires more labor

b) takes less time

c) gives more accurate results

d) none of the above

21 / 50

21. Limiting the length of offset depends upon

a) accuracy desired

b) scale of plotting

c) nature of the ground

d) all of the above

22 / 50

22. In a closed traverse, the algebraic sum of deflection angles is

a) 0°

b) 360°

c) (2n-4) 90°

d) (2n+4) 90°

23 / 50

23. Isogonic lines are

a) line passing through the points having the same declination at a given point

b) line passing through the point of zero declination

c) line passing through the point having the same dip

d) line passing through the point having zero dip

24 / 50

24. Height of the instrument is equal to:

a) reduced level of the benchmark + foresight

b) reduced level of the benchmark + backsight

c) reduced level of the benchmark + intermediate sight

d) backsight + foresight

25 / 50

25. 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

26 / 50

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

a) face left

b) face right

c) changing face

d) all of the above

27 / 50

27. 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

28 / 50

28. The bearing of the traverse line is calculated by

a) included angle method

b) deflection angle method

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

d) none of the above

29 / 50

29. 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

30 / 50

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

a) always greater

b) always less

c) always equal

d) none of the above

31 / 50

31. The method of leveling in which the plane table is set at only one station to take detail is known as:

a) intersection

b) radiation

c) resection

d) traversing

32 / 50

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

a) small chord

b) short chord

c) long chord

d) sub chord

33 / 50

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

a) is constant for all bearings

b) varies with the bearing

c) changes from time to time

d) sometimes additive and sometimes subtractive

34 / 50

34. Chainage is the distance measured

a) along a chain line

b) perpendicular to a chain line

c) perpendicular to a tie line

d) none of the above

35 / 50

35. A chain is made up of mild steel or galvanized iron wire of diameter

a) 1 mm

b) 3 mm

c) 5 mm

d) 7 mm

36 / 50

36. A traverse consists of six sides; then the sum of external angles must be

a) 1080°

b) 540°

c) 720°

d) 1440°

37 / 50

37. Butt rods are used for measuring

a) baseline

b) tie line

c) offset distance

d) vertical distance

38 / 50

38. Find the length of curve if R=500 m, Intersection angle= 120°

a) 500m

b) 525m

c) 550m

d) 575m

39 / 50

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

a) horizontal axis

b) line of collimation

c) bubble line

d) line of right

40 / 50

40. With the help of leveling, we measure

a) horizontal angle

b) vertical angle

c) deflection angle

d) none of the above

41 / 50

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

a) right-handed or positive

b) left-handed or negative

c) 90°

d) none of the above

42 / 50

42. 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

43 / 50

43. 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

44 / 50

44. An example of a level surface is

a) surface of earth

b) surface of sea

c) surface of reservoir

d) surface of a still lake

45 / 50

45. The dip of the needle

a) is constant

b) varies from place to place & is zero at the equator and maximum at the poles

c) is zero at the equators and poles

d) none of the above

46 / 50

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

a) (N-4) right angles

b) (2N-4) right angles

c) (2N+4) right angles

d) none of the above

47 / 50

47. *The line of collimation should be parallel to

a) vertical axis

b) bubble axis

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

d) none of the above

48 / 50

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

a) distinct image

b) shorter image

c) reading even in less light

d) all of the above

49 / 50

49. Closed contours with higher value inside represent a

a) depression

b) hill

c) plain surface

d) none

50 / 50

50. Short offsets are measured with

a) an ordinary chain

b) an invar tape

c) a metallic tape

d) a steel tape

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