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 magnification of a telescope lens depends upon

a) the focal length of the eyepiece

b) the focal length of the objective lens

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

d) the inverse of the ratio of (b) and (a) above

2 / 30

2. Closed contours with higher value inside represent a

a) depression

b) hill

c) plain surface

d) none

3 / 30

3. 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

4 / 30

4. Positive error is caused if

a) the length of the chain is shorter than the standard

b) the slope and sag corrections are not applied

c) the measurements are made along the incorrectly aligned line

d) all of the above

5 / 30

5. The types of survey used to fix property lines are

a) topographical

b) cadastral

c) city

d) astronomical

6 / 30

6. A chain 33 feet long and consisting of 16 links each 2(1/16) feet long is

a) Engineering chain

b) Gunter's chain

c) Metric chain

d) Revenue chain

7 / 30

7. For a tacheometer, the additive and multiplying constants are respectively

a) zero and zero

b) zero and 100

c) 100 and zero

d) 100 and 100

8 / 30

8. A discrepancy is the difference between

a) true value and error

b) measured value and actual value

c) two measured values of the same quantity

d) none of the above

9 / 30

9. The angle subtended by the long chord of a simple curve at its center is equal to

a) 2* deflection angle

b) 3* deflection angle

c) none of the above

d) deflection angle

10 / 30

10. The projection of a line on a plane perpendicular to the meridian is known as

a) parallax

b) aberration

c) latitude

d) departure

11 / 30

11. 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

12 / 30

12. Find the contour interval for the map, 1: 25000 in IS & FPS

a) 4m & 20.70ft

b) 6m & 19.70ft

c) 3m & 20.70ft

d) 5m & 19.70ft

13 / 30

13. The surface perpendicular to the direction of gravity is

a) horizontal surface

b) level surface

c) horizon

d) none of the above

14 / 30

14. Handles of chains are made of

a) nickel

b) steel

c) copper

d) brass

15 / 30

15. *Due to the curvature of the earth, objects look

a) higher than they really are

b) lower than they really are

c) at their real height

d) all of the above

16 / 30

16. The height of instrument method is

a) less tedious

b) more rapid

c) includes less calculation

d) all of the above

17 / 30

17. Find the length of curve if radius of curve

a) 60 m

b) 63 m

c) 10 m

d) 47 m

18 / 30

18. 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

19 / 30

19. *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

20 / 30

20. Intersection is preferred to radiation when:

a) the lengths are too short

b) it is not possible to measure any distance

c) the points are too far and invisible

d) the points are inaccessible

21 / 30

21. The upper plate

a) is attached to the inner spindle and is called the vernier plate

b) has two verniers 180° apart for reading the horizontal angles

c) is also called the alidade of the theodolite

d) all of the above

22 / 30

22. The curvature and refraction corrections applied to staff readings respectively are

a) both +ve

b) both -ve

c) +ve and -ve

d) -ve and +ve

23 / 30

23. "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

24 / 30

24. *The radius of curvature of the arc of the bubble tube is generally kept

a) 10 m

b) 25 m

c) 50 m

d) 100 m

25 / 30

25. The Q.B of the lines are given by...., ...., & ..... If W.C.B. of the lines are 0°, 135°, 270° respectively

a) S, S45°E, E90°

b) N, N45°W, E90°

c) N, S45°E, E90°

d) N, S45°E, W90°

26 / 30

26. Height of instrument method of leveling, as compared to the rise and fall method, is

a) more accurate

b) less accurate

c) quicker and less tedious

d) none of the above

27 / 30

27. 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

28 / 30

28. Angular surveying in which both the horizontal and vertical positions of a point are obtained by optical means is known as

a) tacheometry

b) hydrography

c) topography

d) all of the above

29 / 30

29. A bearing noted N45° E represents

a) quadrantal system

b) whole circle system

c) none of the above

d) reduce bearing system

30 / 30

30. If the sum of northing of a traverse exceeds the sum of southing by 2m and the sum of easting exceeds the sum of westing by 2m, the resulting closing error will be

a) √2 m

b) 2√2 m

c) 2m

d) 4m

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