Engineering - Surveying - Discussion

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Q.

If the lower clamp screw is tightened and upper clamp screw is loosened, the theodolite may be rotated                         
A. on its outer spindle with a relative motion between the vernier and graduated scale of lower plate B. on its outer spindle without a relative motion between the vernier and gra-duated scale of lower plate
C. on its inner spindle with a relative motion between the vernier and the graduated scale of lower plate D. on its inner spindle without a relative motion between the vernier and the graduated scale of lower plate

Answer: Option C
Explaination:

 


No Explanation




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