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. 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

2 / 50

2. The angular error of closure or summation error should not exceed (Where N is the number of stations or sides.)

a) 15√N

b) 153√N

c) √N

d) 3√N

3 / 50

3. Short offsets are measured with

a) an ordinary chain

b) an invar tape

c) a metallic tape

d) a steel tape

4 / 50

4. Two contour lines, having the same elevation

a) can't cross each other

b) can cross each other

c) can't unite together

d) can unite together

5 / 50

5. The elevation (BM) of point A is 100 m. Backsight reading at A is 20, and foresight reading at B is 30 m. Find the RL of point B

a) 100m

b) 90m

c) 120m

d) 9130m

6 / 50

6. The process of turning the telescope about the horizontal axis in a vertical plane by a complete revolution is known as

a) reversing

b) transiting

c) plunging

d) all of the above

7 / 50

7. 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

8 / 50

8. A benchmark (BM) is a

a) point of known elevation

b) reference point

c) the first station

d) the last station

9 / 50

9. In compass surveying

a) the direction and lengths of the survey line are measured by compass

b) the direction is measured by the compass

c) length is measured by the chain or tape

d) both (b) and (c) of above

10 / 50

10. 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

11 / 50

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

a) 1/5

b) 1/50

c) 1/500

d) 1/5000

12 / 50

12. 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

13 / 50

13. Tellurometer uses

a) light waves

b) radio waves

c) infra waves

d) all of the above

14 / 50

14. A traverse deflection angle is

a) less than 90°

b) between 90° and 180°

c) the difference between the included angle and 180°

d) none of the above

15 / 50

15. Fifteen readings were recorded in a level field book. If the instrument was shifted after the 5th, 10th, and 15th readings, then the foresight readings are

a) 1st, 3rd, and 7th readings

b) 5th, 10th, and 15th readings

c) 2nd and 6th reading

d) 3rd, 4th, 5th, 7th, 8th, 9th, and 10th reading

16 / 50

16. 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

17 / 50

17. If the image formed by the objective of the telescope is not in the plane of crosshairs, it is called

a) indistinct focusing

b) parallax

c) aberration

d) none of the above

18 / 50

18. 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

19 / 50

19. The accuracy of measurement in chain surveying does not depend upon

a) leader

b) follower

c) length of chain

d) length of offset

20 / 50

20. 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

21 / 50

21. The instrument used to reproduce plans to a different scale is called

a) planimeter

b) clinometer

c) ghat tracer

d) pentagraph

22 / 50

22. 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

23 / 50

23. 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

24 / 50

24. 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

25 / 50

25. *Which instrument is not used in plane table

a) plane table

b) alidade

c) altimeter

d) anchor

26 / 50

26. 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

27 / 50

27. The process of bringing the vertical circle to the right of the observer is called

a) face left

b) face right

c) changing face

d) all of the above

28 / 50

28. If the observed reading of a level staff is 3.83m, and at the point sighted the staff is 0.15m off from the vertical through the bottom, the correct reading will be

a) 3.827m

b) 3.83m

c) 3.834m

d) 3.384m

29 / 50

29. Ten readings were recorded in a level field book. If the instrument was shifted after the 2nd and 6th readings, then the foresight readings are

a) 1st, 2nd, and 7th readings

b) 2nd, 6th, and 10th readings

c) 2nd and 6th readings.

d) 3rd, 4th, 5th, 7th, 8th, and 10th readings

30 / 50

30. 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

31 / 50

31. 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

32 / 50

32. 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

33 / 50

33. The contour lines are perpendicular to the

a) ridge line

b) valley line

c) both (a) and (b) of above

d) none of the above

34 / 50

34. Leveling across a river is done by

a) fly leveling

b) reciprocal leveling

c) trigonometrical leveling

d) cross leveling

35 / 50

35. Permanent adjustment is carried out to

a) set up of the level

b) establish a fixed relationship between its fundamental axes

c) focus the eyepiece

d) focus the object glass

36 / 50

36. 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

37 / 50

37. *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

38 / 50

38. The purpose of triangulation in a chain survey is

a) finding the direction of points

b) establishment of accurate control points

c) transferring the control point

d) none of the above

39 / 50

39. The two-point problem and three-point problems are methods of:

a) orientation

b) resection

c) orientation and resection

d) none of the above

40 / 50

40. *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

41 / 50

41. 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

42 / 50

42. Methods adopted for traversing are

a) chain traversing and loose needle method

b) chain angle method and fast needle method

c) all of the above

d) none of the above

43 / 50

43. Closed contours with higher value inside represent a

a) depression

b) hill

c) plain surface

d) none

44 / 50

44. 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

45 / 50

45. The Normal chord of a curve should be

a) less than sub chord

b) equal to sub chord

c) greater than sub chord

d) all of the above

46 / 50

46. The W.C.B of a line is preferred to a quadrantal bearing merely because

a) the bearing is not completely specified by an angle

b) the bearing is completely specified by an angle

c) the sign of the correction of magnetic declination is different in different quadrants

d) all of the above

47 / 50

47. 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

48 / 50

48. The strength of the fix of a plane table is:

a) accuracy in centering

b) accuracy in locating the position of the instrument station by taking observations to three stations

c) fixity of the table while solving the two-point problem

d) none of the above

49 / 50

49. In the scale of a map is 1:25000, what does it mean:

a) 1 cm in the map equals 25000 cm in the field

b) 1 m in the map equals 250 km in the field

c) 1 cm in the map equals 25 m in the field

d) none of the above

50 / 50

50. The difference between a level line and a horizontal line is that

a) the level line is normal to the plumb line, while the horizontal line is not necessarily

b) the level line is curved, but the horizontal line is a straight line

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

d) none of the above

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