Civil Engineering - Advanced Surveying

Exercise : Advanced Surveying - Section 2
41.
Rotation of the camera at exposure about its vertical axis, is known as
swing
tilt
tip
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
The difference of height of two points whose parallax difference is 0.8 mm on a pair of stereo pair taken from a height H is 100 m. If mean photo base is 95.2 mm, the flying height is
8,000 m
10,000 m
12,000 m
14,000 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.
The scale of a tilted photograph of focal length f, taken from an altitude H, along the plate parallel through plumb point, is
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
The flying height of the camera is 1, 000 m above mean ground level, the distance of the top of a Minar from a nadir point is 10 cm and the relief displacement of Minar is 7.2 mm. The height of the Minar, is
52 m
62 m
72 m
82 m.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.
On vertical photographs, height displacement is
positive for points above datum
negative for points below datum
zero for points vertically below the air station
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.