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. In a tacheometer provided with an anallatic lens, the distance between the object glass and the vertical axis is 15 cm. The focal length of the objective is 15 cm, and that of the anallatic lens is 10 cm. Hence, the distance between the two lenses is

a) 17.5 cm

b) 25 cm

c) 30 cm

d) 40 cm

2 / 30

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

a) radiation

b) resection

c) intersection

d) traversing

3 / 30

3. The process of bringing the vertical circle to the right of the observer is called

a) face left

b) face right

c) changing face

d) all of the above

4 / 30

4. The last reading of leveling is always at

a) back sight

b) fore sight

c) intermediate sight

d) any of the above

5 / 30

5. In a closed traverse, the closing error should not be more than (where N is the no. of sides of the traverse)

a) N x least count of the instrument

b) √N x least count of the instrument

c) 1/N x least count of the instrument

d) 1/√N x least count of the instrument

6 / 30

6. The place where the reading is taken is known as

a) level

b) fixed point

c) station

d) none of the above

7 / 30

7. *The method of leveling used to carry out the reconnaissance of an area is

a) check leveling

b) fly leveling

c) profile leveling

d) simple leveling

8 / 30

8. 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

9 / 30

9. 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

10 / 30

10. A straight line tangential to the longitudinal curve of the level tube at its center is known as

a) horizontal axis

b) line of collimation

c) bubble line

d) line of right

11 / 30

11. In profile leveling, staff readings on two neighboring pegs 20m apart are 1.200 and 1.00, respectively. Therefore, the proposed road has a

a) rising gradient of 1 in 100

b) falling gradient of 1 in 100

c) rising gradient of 1 in 20

d) falling gradient of 1 in 20

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. The Normal chord of a curve should be

a) less than sub chord

b) equal to sub chord

c) greater than sub chord

d) all of the above

14 / 30

14. 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

15 / 30

15. "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

16 / 30

16. Contour interval, within the limits of a map

a) may be kept constant

b) may not be kept constant

c) must be kept constant

d) may vary according to the configuration

17 / 30

17. A relatively fixed point of known elevation above the datum is called

a) datum point

b) benchmark

c) reduced level

d) reference point

18 / 30

18. A level line is a

a) line parallel to the mean spherical surface of the earth

b) line normal to the plumb line at all points

c) horizontal line

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

19 / 30

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

a) d² / 2R

b) -d² / 2R

c) d² / R

d) -d² / R

20 / 30

20. 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

21 / 30

21. The whole circle bearing 338°42" converted into quadrantal form is given as

a) N 21°18' W

b) S 21°18' E

c) W 21°18' N

d) none of the above

22 / 30

22. 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

23 / 30

23. In a traverse, the algebraic sum of the deflection angles, taking the right-hand deflection angles as positive and left-hand deflection as negative, should be equal to

a) (N-4) right angles

b) (2N-4) right angles

c) 180°

d) 360°

24 / 30

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

a) 100

b) 150

c) 180

d) 200

25 / 30

25. Which one is wrong?

a) anallatic lens is not a concave lens

b) anallatic lens is a convex lens

c) anallatic lens is used to eliminate the additive constant

d) none of the above

26 / 30

26. The smaller angle which a survey line makes with the true meridian is known as

a) altitude

b) azimuth

c) declination

d) dip

27 / 30

27. The fix of the table is good when:

a) the station is within the great triangle

b) the middle station is farther than the other two stations

c) the angle subtended between two stations is not very small

d) all of the above

28 / 30

28. Placing the table over the station such that the station plotted on the sheet is exactly above the corresponding station on the ground is:

a) centering

b) leveling

c) orienting

d) resection

29 / 30

29. In a closed traverse,

a) the difference between the fore-bearing and back bearing should be 90°

b) the sum of included angles should be (2N-4) right angles, where N is the number of sides

c) the sum of included angles should be (2N-1), where N is the number of sides

d) none of the above

30 / 30

30. "A curve of varying radius introduced between two branches of a compound curve is called

a) transition curve

b) vertical curve

c) compound curve

d) reverse curve

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