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Surveying

Surveying
In a spherical triangle ABC, right angled at C, sin b equals

cos a sin A
cot A tan a
tan a cot A
sin a cos A

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Surveying
The altitude of a circumpolar star is maximum when it is

At west elongation
At upper culmination
At east elongation
At lower culmination

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Surveying
In the double application of principle of reversion, the apparent error is

equal to true error
half the true error
four times the true error
two times the true error

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Surveying
If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is

100.345 m
99.345 m
100.655 m
101.870 m

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Surveying
Rotation of the camera at exposure about horizontal axis normal to the line of flight, is known as

None of these
Swing
Tilt
Tip

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Surveying
After fixing the plane table to the tripod, the main operations which are needed at each plane table station are
(i) Levelling
(ii) Orientation(
iii) Centering
The correct sequence of these operations is

(iii), (i), (ii)
(i), (iii), (ii)
(ii), (iii), (i)
(i), (ii), (iii)

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MORE MCQ ON Surveying

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