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. If the magnetic bearing of a line is 65° and the true bearing 45°, then the magnetic declination is

a) 10°W

b) 20°W

c) 20°E

d) none of the above

2 / 30

2. Local attraction at a place may be due to

a) key bunches

b) steel buttons

c) current-carrying base wire

d) electric storm

3 / 30

3. A scale representing either three units or only one unit and its fractions up to the second place of the decimal point is

a) diagonal scale

b) comparative scale

c) simple vernier

d) shrunk scale

4 / 30

4. "Cross-sectioning" and "Longitudinal sectioning" is

a) when less number of intermediate sights exist

b) in profile leveling

c) in reciprocal leveling

d) in differential leveling

5 / 30

5. 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

6 / 30

6. The survey stations set up during traversing with the compass should be such that

a) they are visible from each other

b) chaining between them is easy

c) the line joining them is near the objects to be located

d) they are as long as possible

7 / 30

7. A series of straight, parallel, and widely spaced contours on a map represent a

a) valley

b) ridge

c) curved surface

d) inclined plane surface

8 / 30

8. 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

9 / 30

9. In survey, it was recorded that Σfall = 0 then

a) the ground is sloping

b) it is continuously rising

c) it is continuously falling

d) none of the above

10 / 30

10. The tacheometric method is a more suitable method for preparing the contour map of

a) valley

b) hill

c) ridge

d) plain surface

11 / 30

11. 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

12 / 30

12. Which one of the following may not be classified as a natural error?

a) variation in magnetic declination

b) local attraction

c) sluggish needle

d) irregular variation

13 / 30

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

a) 1080°

b) 540°

c) 720°

d) 1440°

14 / 30

14. Limiting the length of offset depends upon

a) accuracy desired

b) scale of plotting

c) nature of the ground

d) all of the above

15 / 30

15. The amount of correction due to local attraction at a place

a) is constant for all bearings

b) varies with the bearing

c) changes from time to time

d) sometimes additive and sometimes subtractive

16 / 30

16. 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

17 / 30

17. Azimuth and altitude of a star

a) are constant

b) vary due to diurnal motion

c) azimuth is constant but altitude is not constant

d) none of the above

18 / 30

18. The correction for curvature as applied to staff reading is

a) d² / 2R

b) -d² / 2R

c) d² / R

d) -d² / R

19 / 30

19. 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

20 / 30

20. The method of tacheometry in which the observation is made with stadia wires with a variable interval is known as

a) movable hair method

b) fixed hair method

c) tangential hair method

d) substense hair method

21 / 30

21. 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

22 / 30

22. A curve consists of two areas of different radii bending in the same direction and lying on the same side of their common tangent and their centers being on the same side of the curve is known as a

a) transition curve

b) vertical curve

c) compound curve

d) reverse curve

23 / 30

23. 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

24 / 30

24. *For the construction of highway/railway

a) longitudinal sections are required

b) cross sections are required

c) both longitudinal and cross sections are required

d) none of these

25 / 30

25. 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

26 / 30

26. 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

27 / 30

27. The maximum allowable limit up to which a measurement may vary from the true value is known as

a) permissible error

b) residual error

c) expected error

d) systematic error

28 / 30

28. 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

29 / 30

29. The number of horizontal cross wires in a stadia diaphragm is

a) 1

b) 2

c) 3

d) 4

30 / 30

30. 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

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Surveying Online Test – Paper 2

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