The thimble of a screw gauge has 50 divisions. The spindle advances 1 mm when the screw is turned through two revolutions. What is the pitch of screw gauge?
A
0.05 mm
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B
0.5 mm
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C
5 mm
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D
0.5 cm
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Solution
The correct option is B
0.5 mm
Pitch = Distance moved ahead in one revolution = 1mm2 = 0.5 mm