Tag: #thermalfatigue
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EK Motor Jul 2023 (Q1)
Write a report to the Superintendent Engineer regarding a number of cases of severe damage to medium speed engine exhaust valves in the previous 12 months. The report must outline the probable cause of the damage and must suggest future steps to avoid similar incidents. Jul 2023 (Q1)
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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…
UKM Tuticorin 