The distance moved by the tip of a screw gauge for one complete rotation of the head is called:
A
Pitch
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B
Circular scale count
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C
Main scale count
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D
Least count
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Solution
The correct option is A Pitch The distance moved by the tip of a screw gauge for one complete rotation of head is called its pitch. Usually, screw gauge are constructed so that pitch is equal to the least count of the main scale of screw gauge.