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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1 / 30

1. 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

2 / 30

2. The bearing of the traverse line is calculated by

a) included angle method

b) deflection angle method

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

d) none of the above

3 / 30

3. 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

4 / 30

4. 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

5 / 30

5. True meridians

a) are parallel to each other

b) converge at a point called pole

c) converge near the equator

d) none of the above

6 / 30

6. 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

7 / 30

7. 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

8 / 30

8. Compensator is used to make the line of sight perpendicular to the vertical axis in the case of

a) dumpy level

b) theodolite

c) all of the above

d) automatic level

9 / 30

9. A traverse consists of six sides; then the sum of external angles must be

a) 1080°

b) 540°

c) 720°

d) 1440°

10 / 30

10. Metallic tapes are made of

a) steel

b) invar

c) cloth and wires

d) nickel

11 / 30

11. In a theodolite, staff readings for upper, middle, and lower crosshairs are 1.4, 0.9 & 0.4, respectively. If the height of the tower is 100m, then find the horizontal distance between the instrument station and the base of the tower

a) 40m

b) 90m

c) 140m

d) 100m

12 / 30

12. 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

13 / 30

13. *Which instrument is not used in plane table

a) plane table

b) alidade

c) altimeter

d) anchor

14 / 30

14. 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

15 / 30

15. When the following scale is the smallest one

a) 1cm = 10m

b) 1cm = 100m

c) 1cm = 1000m

d) 1cm = 10,000m

16 / 30

16. When the whole circle bearing of two lines AB and AC are 115° and 41° respectively, then the included angle BAC will be:

a) 74°

b) 45°

c) 115°

d) 156°

17 / 30

17. 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

18 / 30

18. 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

19 / 30

19. If the staff is held vertical and the angle of elevation and depression are kept the same, then the horizontal distance between the instrument and staff station computed by observation will be

a) greater at an angle of elevation

b) greater at an angle of depression

c) same in both cases

d) none of the above

20 / 30

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

a) straight

b) circular

c) parabolic

d) elliptic

21 / 30

21. When several contours coincide, it indicates

a) an overhanging

b) a saddle

c) a valley

d) a vertical cliff

22 / 30

22. 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

23 / 30

23. Contour lines look to cross each other in the case of

a) a dam of vertical face

b) an overhanging cliff

c) a steep hill

d) a deep valley

24 / 30

24. 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

25 / 30

25. The horizontal distances obtained by tacheometry are corrected for

a) slope correction

b) temperature correction

c) refraction and curvature correction

d) tension correction

26 / 30

26. The effect of local attraction is observed in

a) chain survey

b) compass survey

c) PT survey

d) leveling

27 / 30

27. 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

28 / 30

28. *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

29 / 30

29. The length of an Engineer's chain is

a) 70 ft

b) 80 ft

c) 90 ft

d) 100 ft

30 / 30

30. A series of closely spaced contour lines represent a

a) steep slope

b) uniform slope

c) horizontal surface

d) gentle slope

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