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. 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

2 / 50

2. With the help of leveling, we measure

a) horizontal angle

b) vertical angle

c) deflection angle

d) none of the above

3 / 50

3. If the bearing of AB is N 30° W and the bearing of BC is N 40° E, then find the angle < ABC

a) 10°

b) 70°

c) 110°

d) 170°

4 / 50

4. 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

5 / 50

5. 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

6 / 50

6. A Cadastral Map is a map having

a) small-scale map

b) medium-scale map

c) large-scale map

d) all of the above

7 / 50

7. The contour line can cross one another on a map only in the case of

a) a valley

b) a ridge

c) a saddle

d) an overhanging cliff

8 / 50

8. A transition curve introduced between the tangent and the circular curve should

a) have infinite curvature at the junction of straight and transition curve

b) have zero curvature at the junction of straight and transition curve

c) meet the curve tangentially

d) none of the above

9 / 50

9. An imaginary line connecting the points of equal elevation on the ground surface is known as

a) contour line

b) contour interval

c) horizontal equivalent

d) contour gradient

10 / 50

10. Diurnal variation depends upon

a) locality

b) time

c) seasons

d) all of the above

11 / 50

11. 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

12 / 50

12. 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

13 / 50

13. 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

14 / 50

14. If Θ is the angle of the slope, L is the length of the slope, and H is the difference in elevation between the two ends of the link, then the slope correction will be

a) L sin Θ

b) 2Lsin^2 Θ/2

c) L sin Θ/2

d) 2L sin 2Θ

15 / 50

15. 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

16 / 50

16. 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

17 / 50

17. An offset scale always has the zero mark at

a) middle

b) end

c) either middle or at the end

d) none of the above

18 / 50

18. The representation of general topography of a very flat terrain is possible only

a) by drawing possible only

b) by drawing contours at a large interval

c) by giving spot levels at a large interval

d) by giving spot levels to salient features of close interval

19 / 50

19. Which of the following terms is not associated with leveling:

a) foresight

b) bench mark

c) bearing

d) change point

20 / 50

20. 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

21 / 50

21. 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

22 / 50

22. An operation for determining the relative elevations of different points on the surface of the earth is known as

a) leveling

b) simple leveling

c) differential leveling

d) longitudinal leveling

23 / 50

23. The magnification of a telescope lens depends upon

a) the focal length of the eyepiece

b) the focal length of the objective lens

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

d) the inverse of the ratio of (b) and (a) above

24 / 50

24. Positive error is caused if

a) the length of the chain is shorter than the standard

b) the slope and sag corrections are not applied

c) the measurements are made along the incorrectly aligned line

d) all of the above

25 / 50

25. 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

26 / 50

26. 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

27 / 50

27. 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

28 / 50

28. Pick up the odd statement

a) temporary adjustment of Dumpy level are to be performed at every setup

b) the eyepiece need not be adjusted after the first setup when the same surveyor is taking readings

c) parallax error is completely eliminated when there is no change in the staff reading when the eye is moved up and down

d) focus the objective towards a white or bright background for the clear visibility of crosshairs

29 / 50

29. Limiting the length of offset depends upon

a) accuracy desired

b) scale of plotting

c) nature of the ground

d) all of the above

30 / 50

30. 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

31 / 50

31. *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?

a) 3.695m

b) 3.548m

c) 3.395m

d) all of the above

32 / 50

32. Which one of the following may not be classified as a natural error?

a) variation in magnetic declination

b) local attraction

c) sluggish needle

d) irregular variation

33 / 50

33. *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

34 / 50

34. *The instrument used to measure horizontal and vertical angle is

a) planimeter

b) clinometer

c) ghat tracer

d) sextant

35 / 50

35. *The method of leveling used to carry out the reconnaissance of an area is

a) check leveling

b) fly leveling

c) profile leveling

d) simple leveling

36 / 50

36. The sensitivity of the bubble tube expressed in terms of the angular value of one division of the bubble is given by

a) S/D radians

b) D/S radians

c) S/D seconds

d) none of the above

37 / 50

37. While measuring horizontal distance by stepping method we should follow

a) down hill

b) up hill

c) center

d) all of the above

38 / 50

38. 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

39 / 50

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

a) 10m

b) 20m

c) 25m

d) 30m

40 / 50

40. 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

41 / 50

41. During leveling staff readings are taken 1.0, 0.8 & 0.6 from consecutive horizontal crosshairs, the staff intercept should be

a) 1.0

b) 0.8

c) 0.6

d) 0.4

42 / 50

42. The advantage of anallatic lens is

a) helps in external focusing

b) protection against moisture

c) computation becomes easy as the additive constant in the distance formula vanishes

d) all of the above

43 / 50

43. 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

44 / 50

44. Obstacle to ranging but not chaining is

a) river

b) building

c) hill

d) pond

45 / 50

45. 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

46 / 50

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

a) c.w. direction

b) a.c.w. direction

c) both

d) none of the above

47 / 50

47. Handles are connected to the link by

a) flexible joint

b) rigid joint

c) swivel joint

d) ball and socket joint

48 / 50

48. In chain survey execution, this first step taken is

a) reconnaissance

b) marking station

c) running survey line

d) reference sketches

49 / 50

49. *Accuracy of 'fix' by two-point problem is

a) bad

b) good

c) not reliable

d) unique

50 / 50

50. 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

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