Question:
Q No 8 Pick up the wrong statement Surface plates are
Last updated: 6/12/2023
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Q No 8 Pick up the wrong statement Surface plates are usually made of granite because of following advantages A Because of long period of time for relaxing it is free from built in residual stresses There is no corrosion effect also B It enables the phenomenon of wringing flat surfaces over it C If a tool or work piece drops accidently over its surface residual stresses are not induced D It simply powders somewhat at the point of impact by falling object