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Civil Engineering - Advanced Surveying

Exercise : Advanced Surveying - Section 2
46.
Assuming human normal vision distance 25 cm, smallest measurable angle 20", and introcular distance 6.5 cm, the smallest depth to be discerned is
0.1 mm
0.5 mm
1.00 mm
1.1 mm.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
The main object of the astronomer to obtain
astronomical latitude
astronomical longitude
astronomical bearing
all of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
If f is the focal length of the camera lens and θ is the angle of tilt, the distance of the plumb point from the principal point will be
f sin θ
f cos θ
f tan θ
f sec θ.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Pick up the incorrect statement from the following. High oblique photographs
may have tilt up to 30°
may include the image of the horizon
may not include the image of the horizon
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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