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. 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

2 / 50

2. The longitudinal section of the surface of the bubble tube is

a) straight

b) circular

c) parabolic

d) elliptic

3 / 50

3. 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

4 / 50

4. 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

5 / 50

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

a) 0°

b) 360°

c) (2n-4) 90°

d) (2n+4) 90°

6 / 50

6. Find the length of curve if the radius of the curve is 50 m, and the angle of deflection is 60°

a) 52m

b) 104m

c) 34m

d) none of the above

7 / 50

7. The intercept of a staff is

a) minimum if the staff is held truly normal to the line of sight

b) maximum if the staff is held truly normal to the line of sight

c) decreases if the staff is tilted away from normal

d) increases if the staff is tilted away from normal

8 / 50

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

a) metallic tape

b) steel tape

c) invar tape

d) chain

9 / 50

9. In trigonometrical leveling, the combined correction is given by (where m=coefficient of refraction)

a) d^2/ 2R

b) (1-2m) d^2 / 2R

c) 0.0673 d^2

d) none of the above

10 / 50

10. Tacheometry is best suited

a) where chaining is impossible

b) for populous areas

c) in broken grounds

d) for extremely accurate survey

11 / 50

11. 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

12 / 50

12. *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

13 / 50

13. Staff intercept means

a) top reading

b) bottom reading

c) middle reading

d) the difference between top and bottom reading

14 / 50

14. 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

15 / 50

15. The spacing of cross-sections in the indirect method of contouring depends upon

a) character of the ground

b) scale of the map

c) contour intervals

d) all of the above

16 / 50

16. An anallatic lens is provided in a tacheometer to measure the horizontal distance.

a) nullify both constant

b) render the additive constant zero

c) multiplying constant 100 and additive constant zero

d) improve visibility

17 / 50

17. If the magnetic declination is (-)6°0' and the reduced bearing of a line is S40°01'E, the true bearing of the line is

a) S 134°0'E

b) S 146°01'E

c) S 46°0'E

d) S 34°01'E

18 / 50

18. 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

19 / 50

19. 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

20 / 50

20. In a prismatic compass,

a) the magnetic needle moves with the box

b) the magnetic needle and graduated circle do not move with the box

c) the line of sight does not move with the box

d) the graduated circle is fixed to the box, and the magnetic needle always remains in the N-S direction

21 / 50

21. Contour interval is proportional

a) directly to the scale of the map

b) inversely to the scale of the map

c) directly to the flatness of the ground

d) none of the above

22 / 50

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

a) bad

b) good

c) not reliable

d) unique

23 / 50

23. 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

24 / 50

24. A leveling station is a point where:

a) the leveling machine is set up

b) both back sight and foresight are taken

c) the level staff is held

d) both A and B

25 / 50

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

a) 500m

b) 525m

c) 550m

d) 575m

26 / 50

26. 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

27 / 50

27. An internal focusing type of telescope is focused by the movement of

a) convex lens

b) concave lens

c) plano-convex lens

d) objective glass

28 / 50

28. 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

29 / 50

29. Which one of the following is not a personal error?

a) the table not being perfectly leveled

b) the table not being perfectly central

c) the table not being perfectly clamped

d) none of the above

30 / 50

30. 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

31 / 50

31. If the sum of northing of a traverse exceeds the sum of southing by 2m and the sum of easting exceeds the sum of westing by 2m, the resulting closing error will be

a) √2 m

b) 2√2 m

c) 2m

d) 4m

32 / 50

32. 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

33 / 50

33. A Cadastral Map is a map having

a) small-scale map

b) medium-scale map

c) large-scale map

d) all of the above

34 / 50

34. When the following scale is the smallest one

a) 1cm = 10m

b) 1cm = 100m

c) 1cm = 1000m

d) 1cm = 10,000m

35 / 50

35. Placing the table over the station such that the station plotted on the sheet is exactly above the corresponding station on the ground is:

a) centering

b) leveling

c) orienting

d) resection

36 / 50

36. In a theodolite, the line passing through the intersection of the horizontal and vertical crosshairs and the optical center of the object glass and its continuation is known as

a) horizontal glass

b) line of collimation

c) line of sight

d) none of the above

37 / 50

37. The permissible limits of error in chaining for measurement on rough or hilly ground are

a) 1:2000

b) 1:1000

c) 1:500

d) 1:250

38 / 50

38. 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

39 / 50

39. The outer spindle attached to the lower plate in a transit theodolite is known as

a) vernier plate

b) scale plate

c) alidade

d) none of the above

40 / 50

40. Hydrographic survey deals with the mapping of

a) large water bodies

b) canal system

c) cloud movement

d) none of the above

41 / 50

41. 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

42 / 50

42. For the construction of a highway railway

a) longitudinal sections are required

b) cross sections are required

c) both longitudinal and cross sections are required

d) none of these

43 / 50

43. 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

44 / 50

44. 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

45 / 50

45. The smaller angle which a survey line makes with the true meridian is known as

a) altitude

b) azimuth

c) declination

d) dip

46 / 50

46. The imaginary line passing through the intersection of crosshairs and the optical center of the object is known as:

a) line of sight

b) line of collimation

c) line of axis

d) axis of the telescope

47 / 50

47. The foremost work to be executed while traversing with a compass is

a) marking and referencing of stations

b) running survey lines

c) picking up of details

d) reconnaissance

48 / 50

48. With the help of leveling, we measure

a) horizontal angle

b) vertical angle

c) deflection angle

d) none of the above

49 / 50

49. A staff reading taken on a benchmark/ known elevation or change point is known as

a) back sight

b) foresight

c) intermediate sight

d) none of the above

50 / 50

50. The angle which the true meridian makes with the magnetic meridian is called

a) magnetic declination or declination

b) true declination

c) dip

d) azimuth

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