Surveying Online Test - Paper 2

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Vikash chaudhary

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Total Questions: 30
Time Allotted: 30 minutes
Passing Score: 50%
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Certificate: No
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1 / 30

1. Staff intercept means

a) top reading

b) bottom reading

c) middle reading

d) the difference between top and bottom reading

2 / 30

2. 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

3 / 30

3. If W is the weight of the chain, L is the span, and P is the tension or pull, the sag correction for the chain will be

a) W^2L^2/24P^2

b) W^2L/24P

c) LW^2/24P^2

d) W^2L^2/24P

4 / 30

4. 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

5 / 30

5. The size of the plane table is:

a) 600 x 750mm

b) 450 x 750mm

c) 450 x 800mm

d) 3.35 x 500mm

6 / 30

6. The method most suitable for plotting in hilly areas is:

a) radiation

b) resection

c) intersection

d) traversing

7 / 30

7. The main difference between an optical square and a prism square is

a) no adjustment is required in a prism Square as the angle between the reflecting surfaces is fixed

b) an optical square is more accurate

c) the principle of working is different

d) all of the above

8 / 30

8. The principle of surveying to prevent the accumulation of errors is

a) to work from whole to the part

b) to work from part to whole

c) both (a) and (b) above

d) none of the above

9 / 30

9. Personal error in leveling occurs due to

a) careless leveling of the instrument

b) bubble not centered

c) staff not held vertical

d) all of the above

10 / 30

10. For a line AB

a) the forebearing and back bearing of line AB differ by 180°

b) the forebearing of AB and the back bearing of line BA differ by 180°

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

d) none of the above

11 / 30

11. While measuring horizontal distance by stepping method we should follow

a) down hill

b) up hill

c) center

d) all of the above

12 / 30

12. 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

13 / 30

13. 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

14 / 30

14. 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

15 / 30

15. 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

16 / 30

16. 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

17 / 30

17. 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

18 / 30

18. Isogonic lines are

a) line passing through the points having the same declination at a given point

b) line passing through the point of zero declination

c) line passing through the point having the same dip

d) line passing through the point having zero dip

19 / 30

19. 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

20 / 30

20. When the following scale is the smallest one

a) 1cm = 10m

b) 1cm = 100m

c) 1cm = 1000m

d) 1cm = 10,000m

21 / 30

21. If the distance between two points A and B is 1km, the combined correction for curvature and refraction will be

a) 0.673m

b) 0.0673m

c) 1.0673m

d) 1.673m

22 / 30

22. Dumpy level is used when

a) the number of observations to be taken is large from one level position

b) the number of observations to be taken is small from one level position

c) fly leveling is to be done

d) none of the above

23 / 30

23. Contour lines

a) cross each other

b) end abruptly

c) are uniformly spaced

d) close somewhere

24 / 30

24. 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

25 / 30

25. *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

26 / 30

26. The resection by a two-point problem as compared to the three-point problem:

a) requires more labor

b) takes less time

c) gives more accurate results

d) none of the above

27 / 30

27. 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

28 / 30

28. *Which instrument is not used in plane table

a) plane table

b) alidade

c) altimeter

d) anchor

29 / 30

29. You are requested to carry out a survey for the construction of a small airport in a mountainous region of Nepal. Which of the following surveying method will you choose?

a) plane tabling

b) chain surveying

c) leveling

d) tacheometric surveying

30 / 30

30. 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

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Surveying Online Test – Paper 2

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