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 perpendicular distance of the midpoint of the line from the reference meridian is known as

a) double meridian distance

b) meridian distance

c) departure of the line

d) latitude of the line

2 / 50

2. Bowditch's rule is applied to

a) an open traverse for graphical adjustment

b) determine the effect of local attraction

c) a closed traverse for the adjustment of closing error

d) none of the above

3 / 50

3. 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

4 / 50

4. If the length of a transition curve is such that the full super elevation is attained at the junction with the circular curve, the resultant curve is known as

a) transition curve

b) vertical curve

c) compound curve

d) reverse curve

5 / 50

5. 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

6 / 50

6. 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

7 / 50

7. A 30 m long tape was standardized at a temperature of 30°C; at the time of measurement, the temperature recorded was 35°C. Then the correction for temperature per tape length is (coefficient of thermal expansion = 0.0001116/°C)

a) + 0.01674m

b) - 0.001674m

c) + 0.002500m

d) - 0.002500m

8 / 50

8. 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

9 / 50

9. The bearing of line AB is 200° and that of BC is 270°, the included angle ABC is

a) 110°

b) 80°

c) 90°

d) none of the above

10 / 50

10. 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

11 / 50

11. 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

12 / 50

12. The correction for curvature as applied to staff reading is

a) d² / 2R

b) -d² / 2R

c) d² / R

d) -d² / R

13 / 50

13. Contour lines look to cross each other in the case of

a) a dam of vertical face

b) an overhanging cliff

c) a steep hill

d) a deep valley

14 / 50

14. 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

15 / 50

15. 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

16 / 50

16. Sensitivity of a level tube is expressed by

a) the length of the level tube

b) the radius of the level tube

c) the length of the bubble of the level tube

d) all of the above

17 / 50

17. Subtense bar is an instrument used for the measurement of horizontal distance in

a) undulated areas

b) flat areas

c) mountains

d) all of the above

18 / 50

18. The contour interval depends upon

a) nature of the ground

b) scale of the map

c) purpose and extent of the survey

d) all of the above

19 / 50

19. Setting up the plane table consists of operations:

a) leveling

b) centering

c) leveling and centering

d) orienting

20 / 50

20. 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

21 / 50

21. The levelling head of a transit theodolite consists of

a) parallel plates

b) a tribarch plate

c) leveling screws

d) all of the above

22 / 50

22. Plane table survey is considered good as compared to other surveys since:

a) it is easy to shift & carry

b) the number of equipment is less

c) plotting is done outdoor

d) chances of missing details are less

23 / 50

23. 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

24 / 50

24. 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

25 / 50

25. The tacheometric method is a more suitable method for preparing the contour map of

a) valley

b) hill

c) ridge

d) plain surface

26 / 50

26. Contour interval, within the limits of a map

a) may be kept constant

b) may not be kept constant

c) must be kept constant

d) may vary according to the configuration

27 / 50

27. 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

28 / 50

28. Chain surveying is used for a small area in

a) undulating ground

b) fairly level ground

c) sloping ground

d) contour land

29 / 50

29. 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

30 / 50

30. 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

31 / 50

31. 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

32 / 50

32. 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

33 / 50

33. The absence of chromatic aberration in a telescope is known as

a) achromation

b) crimination

c) aplanation

d) definition

34 / 50

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

a) 0°

b) 360°

c) (2n-4) 90°

d) (2n+4) 90°

35 / 50

35. True meridians

a) are parallel to each other

b) converge at a point called pole

c) converge near the equator

d) none of the above

36 / 50

36. 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

37 / 50

37. 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

38 / 50

38. 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

39 / 50

39. 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

40 / 50

40. The line normal to the plumb line is known as

a) horizontal line

b) level line

c) datum line

d) vertical line

41 / 50

41. 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°

42 / 50

42. 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

43 / 50

43. *Total station is

a) total no. of stations in traverse

b) even/odd no. of stations in traverse

c) optical distance measurement instrument

d) electromagnetic distance measurement instrument

44 / 50

44. 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

45 / 50

45. For a station to be free from local attraction

a) the fore and back bearings of the line should be measured accurately

b) the fore and back bearings of the line should differ by exactly 180°

c) the fore and back bearing of the line should be exactly the same but with opposite signs

d) none of the above

46 / 50

46. 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

47 / 50

47. The errors due to bad ranging are

a) cumulative positive

b) cumulative negative

c) compensating

d) cumulative positive or negative

48 / 50

48. The process of turning the telescope about the vertical axis in a horizontal plane is known as

a) reversing

b) transiting

c) plunging

d) swinging

49 / 50

49. Chain surveying is used for

a) small areas in open ground

b) small areas with crowded details

c) small areas with simple details

d) large areas with simple details

50 / 50

50. 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

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