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. The magnetic bearing of a line is 60°, and the true bearing of the same line is 70°. Find the declination

a) 10°E

b) 10°W

c) 0°

d) none of the above

2 / 30

2. The maximum angular error in laying the direction is 3°; if this maximum displacement of the point on paper is the same for both sources of error, the accuracy in the offset measurement will be

a) 1 in 18

b) 1 in 19

c) 1 in 25

d) 1 in 30

3 / 30

3. The RL of the benchmark is 1000.0 m, and the back sight reading at the benchmark is 2.555 m. Find the staff reading of IS if the RL of IS is 1000.055 m

a) 2.555 m

b) 2.5 m

c) 3 m

d) 0.0505 m

4 / 30

4. An anallatic lens is a.... used to remove an additive constant in a tacheometer.

a) convex lens

b) concave lens

c) compound concave and convex lens

d) plain lens

5 / 30

5. 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

6 / 30

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

a) leader

b) follower

c) length of chain

d) length of offset

7 / 30

7. 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

8 / 30

8. Handles of chains are made of

a) nickel

b) steel

c) copper

d) brass

9 / 30

9. 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

10 / 30

10. Working edge of alidade is called

a) fiducial edge

b) knife edge

c) broad edge

d) plane table edge

11 / 30

11. The magnetic north is indicated by

a) magnetic compass

b) prismatic compass

c) theodolite

d) leveling

12 / 30

12. The fundamental lines of transit of the theodolite are

a) horizontal axis and line of collimation

b) vertical axis

c) axes of plate levels and bubble line of the telescope level

d) all of the above

13 / 30

13. 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

14 / 30

14. 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

15 / 30

15. 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

16 / 30

16. A contour map of the area is essential before proceeding with the construction of

a) a building

b) a swimming pool

c) a dam

d) a bridge

17 / 30

17. The maximum permissible difference allowed while taking down the fore bearing and back bearing of a line is

a) 15'

b) 15"

c) no such limit

d) 1°

18 / 30

18. Direct distance measurement method is more suitable to measure in

a) hilly area

b) plain area

c) line of sight

d) none of the above

19 / 30

19. Find the length of curve if the radius of the curve is 50 m, and the angle of deflection is 60°

a) 52m

b) 104m

c) 34m

d) none of the above

20 / 30

20. The closing error is given by

a) √(ΣL^2+ΣD^2)

b) √((ΣL+ΣD))^2

c) ΣL^2 +ΣD^2

d) none of the above

21 / 30

21. The effect of local attraction is observed in

a) chain survey

b) compass survey

c) PT survey

d) leveling

22 / 30

22. A field is measured with a 1.0 percent too-long chain is found to be 10,000 acres. The corrected area of the field will be

a) 90891 acres

b) 10201 acres

c) 10401 acres

d) none of the above

23 / 30

23. For accurate work, in comparison to the chain, the steel band is used because it

a) is light in weight

b) is easy to handle

c) is practically inextensible

d) all of the above

24 / 30

24. Secular variation is an important factor because

a) the variation is due to seasonal changes

b) the magnitude of variation is of a high order, and the needle after coming to a standstill may move in the opposite direction

c) the needle will stop

d) the variation is less

25 / 30

25. Open cross-staff is commonly used for setting out

a) long offsets

b) short offsets

c) oblique offsets

d) none of the above

26 / 30

26. Tellurometer uses

a) light waves

b) radio waves

c) infra waves

d) all of the above

27 / 30

27. The direct method of contouring is

a) very slow method

b) most accurate method

c) suitable for contouring a small area

d) all of the above

28 / 30

28. 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

29 / 30

29. In chain survey execution, this first step taken is

a) reconnaissance

b) marking station

c) running survey line

d) reference sketches

30 / 30

30. A river is an obstacle to

a) ranging but not chaining

b) chaining but not ranging

c) both chaining and ranging

d) none of the above

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Surveying Online Test – Paper 2

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