Question

The thimble of a screw gauge has 50 division advances 3mm when the screw is turned through six rotations. What is the least count of the screw gauge

Answer 1

Answer:

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Explanation:

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Answer 2

Given -

Number of circular division - 50

Linear distance moved to complete whole rotation- 3mm

therefore , pitch of tge screw gauge = 1/2×3

= 3/2 mm

Least count of screw gauge -pitch /no of circular div

=3/2 /50

=3/2×1/50

=3/100

=0.03