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Surveying

Surveying
At eastern elongation, the pole star moves

Northward
Southward
Eastward
Westward

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Surveying
The negative sign is assigned to

All listed here
Correction for slope
Reduction to mean sea level
Correction for horizontal alignment

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Surveying
The displacement of the pictured position of a point of h elevation on a vertical photograph taken with a camera of 30 cm focal length, from an altitude of 3000 m, is

6.5 mm
7.5 mm
4.4 mm
5.5 mm

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Surveying
At the first point of Aeries, the sun moves

From south to north of the equator
Northward
From north to south of the equator
Southward

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Surveying
The normal longitudinal overlap is generally kept

0.5
0.7
0.6
0.75

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Surveying
The elevation of the star at elongation is obtained by

sin α = cos φ cosec δ
sin α = sin φ sec δ
sin α = cos φ sec δ
sin α = sin φ cosec δ

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MORE MCQ ON Surveying

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