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. 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

2 / 50

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

a) small chord

b) short chord

c) long chord

d) sub chord

3 / 50

3. 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

4 / 50

4. An invert is taken when the point is

a) having high elevation

b) below the line of sight

c) above the line of sight

d) below ground level

5 / 50

5. Resection is the method employed for:

a) plotting the details

b) locating the instrument station

c) surveying mountainous country

d) all of the above

6 / 50

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

a) plane table

b) compass

c) leveling

d) tacheometric

7 / 50

7. 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

8 / 50

8. 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

9 / 50

9. The angle of intersection of a curve is the angle between

a) forward tangent and long chord

b) back tangent and long chord

c) back tangent and forward tangent

d) none of the above

10 / 50

10. 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

11 / 50

11. 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

12 / 50

12. 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

13 / 50

13. An instrumental error in compass survey is because

a) inaccurate leveling

b) variation in declination

c) no counterweight provision to counteract dip

d) local attraction due to base current-carrying conductors

14 / 50

14. 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

15 / 50

15. 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

16 / 50

16. In a double-line river, contours are

a) stopped at the bank of the river

b) stopped at the edge of the river

c) drawn across the water

d) none of the above

17 / 50

17. If the needle of the compass is sluggish the type of error will be

a) instrumental error

b) personal error

c) natural error

d) none of the above

18 / 50

18. 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

19 / 50

19. Hydrographic survey deals with the mapping of

a) large water bodies

b) canal system

c) cloud movement

d) none of the above

20 / 50

20. 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

21 / 50

21. Leveling across a river is done by

a) fly leveling

b) reciprocal leveling

c) trigonometrical leveling

d) cross leveling

22 / 50

22. The surface perpendicular to the direction of gravity is

a) horizontal surface

b) level surface

c) horizon

d) none of the above

23 / 50

23. 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

24 / 50

24. 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

25 / 50

25. The instrument used for centering the plane table accurately is:

a) spirit level

b) trough compass

c) plumbing fork

d) alidade

26 / 50

26. Chain surveying is used for a small area in

a) undulating ground

b) fairly level ground

c) sloping ground

d) contour land

27 / 50

27. The accuracy required in precise leveling is of the order of (Where K is the total distance of the level line in KM)

a) ± 4√K mm

b) +8√K mm

c) +12√K mm

d) all of the above

28 / 50

28. 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

29 / 50

29. 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

30 / 50

30. 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

31 / 50

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

a) reconnaissance

b) marking station

c) running survey line

d) reference sketches

32 / 50

32. Handles are connected to the link by

a) flexible joint

b) rigid joint

c) swivel joint

d) ball and socket joint

33 / 50

33. The direct method of contouring is

a) very slow method

b) most accurate method

c) suitable for contouring a small area

d) all of the above

34 / 50

34. In tacheometric survey, the method which provides easy reading of the staff is

a) three hair method

b) height of instrument method

c) even angle method

d) none of the above

35 / 50

35. 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

36 / 50

36. 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

37 / 50

37. Short offsets are measured with

a) an ordinary chain

b) an invar tape

c) a metallic tape

d) a steel tape

38 / 50

38. A 20 cm theodolite means

a) the length of the theodolite is 20 cm

b) the diameter of the lower plate is 20 cm

c) the diameter of the upper plate is 20 cm

d) the total height of the theodolite plate is 20 cm

39 / 50

39. Find the RL of the collimation line. If the RL of BM is 100 m & BS staff reading is 5.35 m

a) 105.35m

b) 94.65m

c) 100m

d) 5.35m

40 / 50

40. A Cadastral Map is a map having

a) small-scale map

b) medium-scale map

c) large-scale map

d) all of the above

41 / 50

41. The levels to which the earthwork will have to be carried out is known as

a) finish surface level

b) original G.L

c) formation level

d) depth of cutting

42 / 50

42. In survey works, declination varies from time to time and place to place. The main important variation is

a) secular variation

b) annual variation

c) diurnal variation

d) irregular variation

43 / 50

43. The reduced level of the line of collimation is 50m, and the staff reading at the base of the pillar is 1.15 m. Find the reduced level of the base of the pillar

a) 48.85m

b) 51.15m

c) 50m

d) 52.30m

44 / 50

44. *Which instrument is not used in plane table

a) plane table

b) alidade

c) altimeter

d) anchor

45 / 50

45. 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

46 / 50

46. 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

47 / 50

47. Staff intercept means

a) top reading

b) bottom reading

c) middle reading

d) the difference between top and bottom reading

48 / 50

48. 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

49 / 50

49. 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

50 / 50

50. 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

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