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

Correct Answer: on its inner spindle with a relative motion between the vernier and the graduated scale of lower plate

Bissoy MCQ
#Civil Engineering #Surveying

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