Tag: #contributingfactors

  • EK Motor Dec 2020 (Q8)

    EK Motor Dec 2020 (Q8)

    With reference to fatigue of engineering components: (a) Draw an S/N curve for steel, showing the Fatigue Limit and two representative stress-cycle conditions on the graph (4) (b) Explain how a component is designed to avoid fatigue failure, using the S/N curve drawn in part (a) (4) (c) Explain how poor maintenance and incorrect machinery…