Tag: #materialselection
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EK Motor Jul 2023 (Q6)
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…
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EK Motor Mar 2022 (Q2)
(a). Explain, with the aid of a sketch, Thermal stress, stating how thermal stresses induced in the cylinder liner when the engine is operating (8) (b) Explain why thermal stress may be damaging to an engine cylinder (4) (c) Explain how thermal stress may be avoided in an operating engine without reducing engine power output…
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EK General Oct 2022 (Q4)
With reference to heat exchangers, describe how EACH of the following design aspects promote heat transfer: (a) material selection; (5) (b) flow patterns; (3) (c) extended surface areas. (2) Heat exchanger Oct 2022 (Q4)
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EK General Mar 2021 (Q6)
With reference to heat exchangers, describe how EACH of the following design aspects promote heat transfer (a) material selection (5) (b) flow patterns (3) (c) extended surface areas (2) Heat exchanger Mar 2021 (Q6)
UKM Tuticorin 