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. An offset scale always has the zero mark at

a) middle

b) end

c) either middle or at the end

d) none of the above

2 / 30

2. The W.C.B of a line is preferred to a quadrantal bearing merely because

a) the bearing is not completely specified by an angle

b) the bearing is completely specified by an angle

c) the sign of the correction of magnetic declination is different in different quadrants

d) all of the above

3 / 30

3. Chain surveying is used for

a) small areas in open ground

b) small areas with crowded details

c) small areas with simple details

d) large areas with simple details

4 / 30

4. In the case of leveling staff readings are taken by (In the case of target staff)

a) staff man

b) instrument man

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

d) none of the above

5 / 30

5. A 30m chain was found to be 20cm too long after chaining 1500m. The correct length of the total distance chained will be

a) 1495m

b) 1500m

c) 1505m

d) none of the above

6 / 30

6. A benchmark (BM) is a

a) point of known elevation

b) reference point

c) the first station

d) the last station

7 / 30

7. 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

8 / 30

8. The triangle formed by joining the position of the known points on plane table survey is known as:

a) small triangle

b) medium triangle

c) great triangle

d) equilateral triangle

9 / 30

9. 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

10 / 30

10. The types of instrument generally used in the survey of gravity water supply system are:

a) abney level

b) dumpy level

c) theodolite

d) clinometer

11 / 30

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

a) straight

b) circular

c) parabolic

d) elliptic

12 / 30

12. The intercept of a staff is

a) minimum if the staff is held truly normal to the line of sight

b) maximum if the staff is held truly normal to the line of sight

c) decreases if the staff is tilted away from normal

d) increases if the staff is tilted away from normal

13 / 30

13. "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

14 / 30

14. The surface perpendicular to the direction of gravity is

a) horizontal surface

b) level surface

c) horizon

d) none of the above

15 / 30

15. Under Survey, "working from whole to part" is done

a) to prevent the accumulation of error

b) to localize the error

c) both of the above

d) none of the above

16 / 30

16. *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

17 / 30

17. The orientation of the table is done by

a) magnetic needle

b) back sighting

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

d) none of the above

18 / 30

18. The tie line is run through the survey to

a) take off sets for detailed surveying

b) take details of nearby objects

c) check accuracy of work

d) all of the above

19 / 30

19. *Total station is

a) total no. of stations in traverse

b) even/odd no. of stations in traverse

c) optical distance measurement instrument

d) electromagnetic distance measurement instrument

20 / 30

20. During leveling staff readings are taken 1.0, 0.8 & 0.6 from consecutive horizontal crosshairs, the staff intercept should be

a) 1.0

b) 0.8

c) 0.6

d) 0.4

21 / 30

21. 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

22 / 30

22. The angle which the true meridian makes with the magnetic meridian is called

a) magnetic declination or declination

b) true declination

c) dip

d) azimuth

23 / 30

23. Offset angle taken in chain survey may be

a) 45°

b) 90°

c) 135°

d) any of the above

24 / 30

24. 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

25 / 30

25. Distomats is a type of

a) direct distance measuring instrument

b) optical distance measuring instrument

c) electromagnetic distance measuring instrument

d) none of the above

26 / 30

26. 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

27 / 30

27. *Which instrument is not used in plane table

a) plane table

b) alidade

c) altimeter

d) anchor

28 / 30

28. 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

29 / 30

29. 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

30 / 30

30. Ranging is the process of

a) marking some intermediate points in a straight line, joining the two endpoints in the field

b) fixing ranging rods on the extremities of the area

c) taking offsets from a chain line

d) none of the above

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Surveying Online Test – Paper 2

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