Surveying
Places having same latitude

Are equidistant from the nearer pole
Are equidistant from both the poles
All listed here
Lie on the parallel of the latitude

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Surveying
A telescope is said to be inverted if its

vertical circle is to its right and the bubble of the telescope is up
vertical circle is to its left and the bubble of the telescope is down
vertical circle is to its right and the bubble of the telescope is down
vertical circle is to its left and the bubble of the telescope is up

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Surveying
Which of the following errors can be eliminated by taking mean of bot face observations ?

error due to imperfect adjustment of plate levels
error due to imperfect graduations
error due to line of collimation not being perpendicular to horizontal axis
error due to eccentricity of verniers

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