1. Engineering
  2. Mechanical Engineering
  3. b the inner diameter of a sample of fifty retaining...

Question: b the inner diameter of a sample of fifty retaining...

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(b) The inner diameter of a sample of fifty retaining rings, all made using a blanking tool on a sheet metal fabrication machine, has been measured. The sample has a mean of 40.011 mm, and a standard deviation of 0.0024 mm. Would the rings produced by this machine and tool be appropriate for an application which required a nominal 40 mm inner diameter with a H7 location fit, with a required tolerance of +0.025/-0.000 mm? [12 marks]

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