2668Civil EngineeringMedium
If the lower clamp screw is tightened and upper clamp screw is loosened, the theodolite may be rotated________?
Aon its inner spindle with a relative motion between the vernier and the graduated scale of lower plate
Bon its outer spindle with a relative motion between the vernier and graduated scale of lower plate
Con its inner spindle without a relative motion between the vernier and the graduated scale of lower plate
Don its outer spindle without a relative motion between the vernier and gra-duated scale of lower plate
Correct answer
A. on its inner spindle with a relative motion between the vernier and the graduated scale of lower plate
Explanation
The correct answer is on its inner spindle with a relative motion between the vernier and the graduated scale of lower plate.