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. Ranging is the process of

a) marking some intermediate points in a straight line, joining the two endpoints in the field

b) fixing ranging rods on the extremities of the area

c) taking offsets from a chain line

d) none of the above

2 / 50

2. 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

3 / 50

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

a) accuracy in centering

b) accuracy in locating the position of the instrument station by taking observations to three stations

c) fixity of the table while solving the two-point problem

d) none of the above

4 / 50

4. 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

5 / 50

5. *Due to the curvature of the earth, objects look

a) higher than they really are

b) lower than they really are

c) at their real height

d) all of the above

6 / 50

6. The chain length which is not the standard metric chain length is

a) 10m

b) 20m

c) 25m

d) 30m

7 / 50

7. Under Survey, "working from whole to part" is done

a) to prevent the accumulation of error

b) to localize the error

c) both of the above

d) none of the above

8 / 50

8. The difference between the most probable value of a quantity and its observed value is

a) conditional error

b) true error

c) residual error

d) safe error

9 / 50

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

a) 0°

b) 360°

c) (2n-4) 90°

d) (2n+4) 90°

10 / 50

10. *The correction for refraction is given by

a) 0.0785d^2m

b) 0.0112 d^2m

c) 0.0673 d^2m

d) none of the above

11 / 50

11. In leveling, the station where the back sight and foresight readings are taken is known as

a) change point

b) fixed point

c) movable point

d) none of the above

12 / 50

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

a) line of sight is truly horizontal

b) optical axis is truly horizontal

c) vertical axis truly vertical

d) line of collimation is truly horizontal

13 / 50

13. 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

14 / 50

14. A level tube is used to make the line of sight horizontal. It is filled with

a) ether

b) chloroform

c) synthetic alcohol

d) all of the above

15 / 50

15. The surface of zero elevation around the earth, which is slightly irregular and curved, is known as

a) mean sea level

b) geoid surface

c) level surface

d) horizontal surface

16 / 50

16. The instrument used to reproduce plans to a different scale is called

a) planimeter

b) clinometer

c) ghat tracer

d) pentagraph

17 / 50

17. 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

18 / 50

18. 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

19 / 50

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

a) leader

b) follower

c) length of chain

d) length of offset

20 / 50

20. If the station A and B are equally affected and in the different direction, then the difference between the forebearing and back bearing of a line AB should be

a) 180°

b) 200°

c) 220°

d) may any of the above

21 / 50

21. Normal tension is that pull which

a) neutralizes the effect due to pull and sag

b) makes sag correction zero

c) makes pull correction zero

d) none of the above

22 / 50

22. The contour lines are perpendicular to the

a) ridge line

b) valley line

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

d) none of the above

23 / 50

23. The optical square is based on the principle of

a) reflection

b) refraction

c) double reflection

d) double refraction

24 / 50

24. The prismatic compass and the surveyor's compass respectively give

a) the whole circle bearing of a line & quadrantal bearing

b) both the quadrantal bearing of a line & the whole circle bearing of a line

c) both the whole circle bearing of a line

d) quadrantal & whole circle bearing of a line

25 / 50

25. The method of tacheometry in which the stadia hair intercept is fixed is known as

a) movable hair method

b) fixed hair method

c) tangential hair method

d) substense hair method

26 / 50

26. Find the R.F. of 1cm = 5m

a) 1/5

b) 1/50

c) 1/500

d) 1/5000

27 / 50

27. If S is the value of one smallest division on the main scale, v is the value of one smallest division on the vernier, and n is the number of divisions on the vernier, then the least count is given by

a) s/n

b) s/n-1

c) (s+1)/n

d) (c - 1)s/n

28 / 50

28. 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

29 / 50

29. 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

30 / 50

30. 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

31 / 50

31. Bench marks are fixed by

a) trigonometric leveling

b) barometric leveling

c) spirit leveling

d) profile leveling

32 / 50

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

a) level

b) fixed point

c) station

d) none of the above

33 / 50

33. If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as

a) direct vernier

b) double vernier

c) dimple vernier

d) retrograde vernier

34 / 50

34. 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

35 / 50

35. The range of accuracy in measuring distance by EDM with respect to ODM is

a) more

b) equal

c) less

d) none of the above

36 / 50

36. 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

37 / 50

37. The graduations in a prismatic compass are

a) inverted and run clockwise having 0° at north

b) inverted and run clockwise having 0° at south

c) are erect

d) none of the above

38 / 50

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

a) clockwise from the north point of the reference meridian towards the line of sight round the circle

b) anticlockwise from the north point

c) with the notations of cardinal points N, E, S & W

d) none of the above

39 / 50

39. Choose the correct statement:

a) discrepancy in the difference between two measured values of the same quantity

b) residual error is the difference between a measured quantity and the most probable value

c) variance is the square of the standard deviation

d) all of the above

40 / 50

40. In plane table instrument for horizontal & vertical measurement without chaining

a) theodolite

b) tacheometer

c) telescopic alidade

d) compass

41 / 50

41. A disadvantage of plane table survey is:

a) It is heavy, cumbersome, and awkward to carry

b) It can't be used in a wet climate

c) Details may not be available while redrawing to a different scale.

d) All of the above

42 / 50

42. *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

43 / 50

43. Distomats is a type of

a) direct distance measuring instrument

b) optical distance measuring instrument

c) electromagnetic distance measuring instrument

d) none of the above

44 / 50

44. Right face and left face readings are taken to

a) get the correct reading

b) eliminate error of trunnion axis not being exactly horizontal

c) eliminate error in the vertical axis

d) eliminate error in the line of collimation

45 / 50

45. Tilting levels are used for

a) fly leveling

b) precise leveling

c) profile leveling

d) none of the above

46 / 50

46. The Bench Mark of a point is 400m. Backsight reading at the benchmark is 2.20, and the foresight reading of point A is 2.10. Find the RL of point A

a) 400.00m

b) 402.20m

c) 402.10m

d) 400.10m

47 / 50

47. Closed contours with higher value inside represent a

a) depression

b) hill

c) plain surface

d) none

48 / 50

48. 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°

49 / 50

49. 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

50 / 50

50. 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

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