Question

Answer the following
What is the smallest possible variation (in mm) on the circular scale of a screw
gauge?

Answer 1

Answer:

Figure 6: Screw Gauge using micrometer

The micrometer shown in Figure 4 has a pitch of 0.5 mm. It means that for one complete rotation of the thimble scale, 0.5 mm distance is traveled by the spindle. There are 50 divisions on circular scale. The least count will be 0.01 mm calculated as below.

Answer 2

Answer:

The micrometer shown in Figure 4 has a pitch of 0.5 mm. It means that for one complete rotation of the thimble scale, 0.5 mm distance is traveled by the spindle. There are 50 divisions on circular scale. The least count will be 0.01 mm calculated as below.

Explanation:

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