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Civil Engineering - Advanced Surveying

Exercise : Advanced Surveying - Section 4
46.
If δ is the declination of the star and φ is the latitude of the observer then the hour angle of the star at elongation is given by
sin H = tan φ . cot δ
cos H = tan φ . cot δ
tan H = tan φ . cot δ
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
At upper culmination, the pole star moves
eastward
westward
northward
southward.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
G.M.T. corresponding to given mean time, equals
L.M.T. - East longitude in time
L.M.T. + East longitude in time
L.M.T. - West longitude in time
none of the these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Pick up the correct statement from the following :
the sun's right ascension increases for 0 h to 24 h when it returns to the First point of Aries
the maximum declination of the sun increases up to 23° N on about 21st June
the minimum declination of the sun is zero' on 22nd September
the maximum declination of the sun is about 23° S on 21st December
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Latitude of the observer's position is equal to altitude of
north pole
pole star
celestial pole
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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