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