Civil Engineering - Surveying

46.
There are two stations A and B. Which of the following statements is correct :
the fore bearing of AB is AB
the back bearing of AB is BA
the fore and back bearings of AB differ by 180°
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

47.
Chain surveying is well adopted for
small areas in open ground
small areas with crowded details
large areas with simple details
large areas with difficult details.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

48.
In a closed traverse, sum of south latitudes exceeds the sum of north latitudes and the sum of east departures exceeds the sum of west departures, then, the closing line will lie in
north-west quadrant
north east quadrant
south-east quadrant
south-west quadrant.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

49.
A sewer is laid from a manhole A to a manhole B, 250 m away along a gradient of 1 in 125. If the reduced level of the invert at A is 205.75 m and the height of the boning rod is 3 m, the reduced level of the sight rail at B, is
208.75 m
202.75 m
206.75 m
211.75 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.

50.
The Huygen's telescope eye piece
is aplanatic
achromatic
both (a) and (b)
neither (a) nor (b).
Answer: Option
Explanation:
No answer description is available. Let's discuss.