Question

what is backlash error in a,screw gauge how is it removed

Answer 1

it is a error which occurs due to the wear and tear of the machine.it can be removed by adding or subtra ting the error from the answer.
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Answer 2

Answer:

It is a error which occurs due to wear or tear of threads of screw. It can be removed by adding or subtracting the error from the answer. To avoid this error while taking the measurements the screw should be rotated in one direction only.

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