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. Which of the following instruments is generally used for baseline measurements?

a) metallic tape

b) steel tape

c) invar tape

d) chain

3 / 50

3. 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

4 / 50

4. 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

5 / 50

5. 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

6 / 50

6. 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

7 / 50

7. 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

8 / 50

8. When several contours coincide, it indicates

a) an overhanging

b) a saddle

c) a valley

d) a vertical cliff

9 / 50

9. The direction of the steepest slope on a contour is

a) along the contour

b) at an angle to the contour

c) at right angles to the contour

d) none of the above

10 / 50

10. Different grades are joined together by a

a) transition curve

b) vertical curve

c) compound curve

d) reverse curve

11 / 50

11. The fix of the table is good when:

a) the station is within the great triangle

b) the middle station is farther than the other two stations

c) the angle subtended between two stations is not very small

d) all of the above

12 / 50

12. The sensitivity of the bubble tube can be increased by

a) decreasing the radius of curvature of the tube

b) decreasing the length of the bubble

c) increasing the diameter of the tube

d) increasing the viscosity of the fluid

13 / 50

13. 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

14 / 50

14. If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for:

a) horizontal sights

b) inclined sight upwards

c) inclined sight downwards

d) none of the above

15 / 50

15. The best method of interpolation of contours in the direct method of contouring is by

a) computations

b) interpolation

c) estimation

d) none of the above

16 / 50

16. 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

17 / 50

17. The types of survey in which fieldwork and plotting proceed simultaneously are:

a) plane table

b) compass

c) leveling

d) tacheometric

18 / 50

18. The sag correction is always

a) positive

b) negative

c) zero

d) none of the above

19 / 50

19. If the intercept on the vertical staff is observed as 1.5mm from a tacheometer, the horizontal distance between the tacheometer and staff station is

a) 100m

b) 150m

c) 300m

d) 75m

20 / 50

20. When the angular and linear measurements are equally precise in traversing, the balancing of the traverse is done by:

a) transit rule

b) empirical rule

c) Bowditch's rule

d) none of the above

21 / 50

21. Well-conditioned triangle having an angle between

a) 30° & 60°

b) 30° & 90°

c) 30° & 120°

d) 60° & 120°

22 / 50

22. The two-point problem is:

a) a case of resection method where no ray is required to be drawn from the proceeding station to the instrument station

b) locating the position of the plane table by means of two visible well-defined points

c) all of the above

d) none of the above

23 / 50

23. The instrument used for measuring area on a contour map is

a) graph meter

b) planimeter

c) area meter

d) clinometers

24 / 50

24. 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

25 / 50

25. 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

26 / 50

26. The projection of a line on a plane parallel to the meridian is known as

a) parallax

b) aberration

c) latitude

d) departure

27 / 50

27. The telescope is said to be normal when the

a) bubble of the telescope is down and the face of the vertical circle is right

b) bubble of the telescope is up and the face of the vertical circle is left

c) bubble of the telescope is up and the face of the vertical circle is right

d) none of the above

28 / 50

28. 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

29 / 50

29. Metallic tapes are made of

a) steel

b) invar

c) cloth and wires

d) nickel

30 / 50

30. *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

31 / 50

31. 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

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. The tie line is run through the survey to

a) take off sets for detailed surveying

b) take details of nearby objects

c) check accuracy of work

d) all of the above

34 / 50

34. The size of the plane table is:

a) 600 x 750mm

b) 450 x 750mm

c) 450 x 800mm

d) 3.35 x 500mm

35 / 50

35. 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

36 / 50

36. A discrepancy is the difference between

a) true value and error

b) measured value and actual value

c) two measured values of the same quantity

d) none of the above

37 / 50

37. 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

38 / 50

38. 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

39 / 50

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

a) 500m

b) 525m

c) 550m

d) 575m

40 / 50

40. In the stadia method, if k is the multiplying factor, s is the staff intercept, c is the additive constant of the instrument, then the distance equation is given by the expression

a) D = k+cs

b) D=ks+c

c) D=k/s +c

d) none of the above

41 / 50

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

a) planimeter

b) clinometer

c) ghat tracer

d) sextant

42 / 50

42. The designation of scale recommended by IS: 1491-1959 is

a) A to C

b) A to D

c) A to E

d) A to F

43 / 50

43. If the magnetic bearing of the sun at noon at a place in the southern hemisphere is 150°, the magnetic declination at that place is

a) 30°E

b) 30°W

c) 20°E

d) 20°W

44 / 50

44. The function of the leveling head is

a) to attach the theodolite to the tripod

b) to provide a bearing for the outer hollow spindle

c) to provide a means of leveling the instrument

d) all of the above

45 / 50

45. 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

46 / 50

46. *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

47 / 50

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

a) 1/5

b) 1/50

c) 1/500

d) 1/5000

48 / 50

48. 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

49 / 50

49. In profile leveling, staff readings on two neighboring pegs 20m apart are 1.200 and 1.00, respectively. Therefore, the proposed road has a

a) rising gradient of 1 in 100

b) falling gradient of 1 in 100

c) rising gradient of 1 in 20

d) falling gradient of 1 in 20

50 / 50

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

a) c.w. direction

b) a.c.w. direction

c) both

d) none of the above

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