Discussion :: Surveying
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Pick up the correct statement from the following :
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A.
the tangent screw enables to give small movement under conditions of smooth and positive control |
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B.
standing on the tripod is the levelling head or trib arch |
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C.
the levelling screws are used to tilt the instrument so that its rotation axis is truly vertical |
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D.
all the above. |
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Answer : Option D
Explanation :
No answer description available for this question
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