There are 100 divisions on the circular scale of a screw gauge. The screw of the
micro meter screw gauge moves through a distance of 4 mm when it is given 8
rotations. The reading obtained for the diameter of a wire using the screw gauge
is found to be between 6 mm and 7 mm on the main scale and 72nd division on
the circular scale coincides with the line of graduation of the man scale. Find the
diameter of the wire
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Answer:Pitch: Pitch of the screw gauge is defined as the distance moved by the spindle per revolution which is measured by moving the head scale over the pitch scale in order to complete one full rotation.
Explanation:
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