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 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

2 / 50

2. Tellurometer uses

a) light waves

b) radio waves

c) infra waves

d) all of the above

3 / 50

3. If the included angle is greater than 180°, the deflection angle is

a) right-handed or positive

b) left-handed or negative

c) 90°

d) none of the above

4 / 50

4. 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

5 / 50

5. When a chain line encounters a river:

a) chaining is obstructed, but ranging is free

b) ranging is obstructed, chaining is free

c) both ranging and chaining are obstructed

d) both ranging and chaining are free

6 / 50

6. It is more difficult to obtain good results while measuring the horizontal distance by the stepping method

a) up-hill

b) down-hill

c) in low undulations

d) in plain areas

7 / 50

7. 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

8 / 50

8. The method of plane tabling generally adopted to obtain details and plotting inaccessible points is:

a) radiation

b) intersection

c) resection

d) all of the above

9 / 50

9. 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

10 / 50

10. The number of links in a 30 m metric chain is

a) 100

b) 150

c) 180

d) 200

11 / 50

11. 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

12 / 50

12. Crosshairs in a surveying telescope are fitted

a) in the objective glass

b) in the ground

c) in the optical center of the eyepiece

d) all of the above

13 / 50

13. The Q.B of the lines are given by...., ...., & ..... If W.C.B. of the lines are 0°, 135°, 270° respectively

a) S, S45°E, E90°

b) N, N45°W, E90°

c) N, S45°E, E90°

d) N, S45°E, W90°

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. 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

16 / 50

16. Pick up the odd statement

a) temporary adjustment of Dumpy level are to be performed at every setup

b) the eyepiece need not be adjusted after the first setup when the same surveyor is taking readings

c) parallax error is completely eliminated when there is no change in the staff reading when the eye is moved up and down

d) focus the objective towards a white or bright background for the clear visibility of crosshairs

17 / 50

17. The Philadelphia rod is a type of

a) solid staff

b) folding staff

c) telescopic staff

d) none of the above

18 / 50

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

a) graph meter

b) planimeter

c) area meter

d) clinometers

19 / 50

19. The benchmark of a station A is 500 m, and the back sight reading at the point A is 2 m & foresight reading of station B is 3 m. Find the RL of station B

a) 502 m

b) 503 m

c) 499 m

d) 505 m

20 / 50

20. *The line of collimation should be parallel to

a) vertical axis

b) bubble axis

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

d) none of the above

21 / 50

21. 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

22 / 50

22. A diagonal eyepiece is provided with a

a) plane convex lens

b) reflecting prism

c) mirror fitted at 45° with the axis of the telescope

d) both (b) and (c) above

23 / 50

23. Handles of chains are made of

a) nickel

b) steel

c) copper

d) brass

24 / 50

24. 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

25 / 50

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

a) small chord

b) short chord

c) long chord

d) sub chord

26 / 50

26. The upper plate

a) is attached to the inner spindle and is called the vernier plate

b) has two verniers 180° apart for reading the horizontal angles

c) is also called the alidade of the theodolite

d) all of the above

27 / 50

27. 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

28 / 50

28. "Fiducial edge" is the working edge of

a) plumbing fork

b) alidade

c) belidade

d) all of the above

29 / 50

29. 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

30 / 50

30. Normal tension is that pull which

a) neutralizes the effect due to pull and sag

b) makes sag correction zero

c) makes pull correction zero

d) none of the above

31 / 50

31. Closed contours with higher value inside represent a

a) depression

b) hill

c) plain surface

d) none

32 / 50

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

a) achromation

b) crimination

c) aplanation

d) definition

33 / 50

33. Negative errors are caused in the chain when its length is

a) less than the standard length

b) equal to the standard length

c) any of the above

d) more than the standard length

34 / 50

34. 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

35 / 50

35. *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

36 / 50

36. The distance between terminal points computed from a subsidiary traverse run between them is known as

a) traverse base

b) transverse base

c) corrected base

d) traverse length

37 / 50

37. 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

38 / 50

38. 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

39 / 50

39. 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

40 / 50

40. 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

41 / 50

41. Theodolite traverse is plotted more accurately by

a) consecutive ordinate of each section

b) independent coordinates of each section

c) inclined angle & scaling off each traverse leg

d) the tangent method of plotting

42 / 50

42. A series of closed contour lines on the map with higher to lower values inside them represent a

a) hill

b) ridge

c) depression

d) steep slope

43 / 50

43. Least count is given by

a) the smallest division of the primary scale

b) the smallest division of the secondary scale

c) both a) and b) above

d) none of the above

44 / 50

44. The sag correction is always

a) positive

b) negative

c) zero

d) none of the above

45 / 50

45. If the bearing of AB is N 30° W and the bearing of BC is N 40° E, then find the angle < ABC

a) 10°

b) 70°

c) 110°

d) 170°

46 / 50

46. An offset more than 15m in length is known as

a) long offset

b) short offset

c) oblique offset

d) right-angled offset

47 / 50

47. 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

48 / 50

48. 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

49 / 50

49. A bearing noted N45° E represents

a) quadrantal system

b) whole circle system

c) none of the above

d) reduce bearing system

50 / 50

50. The contour lines merge or cross one another on the map in the case of

a) cave

b) overhang ground surfaces

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

d) vertical surfaces

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