Tag: #fatiguecracking
-

EK Motor Mar 2023 (Q2)
With reference to fatigue cracking: (a) describe, with the aid of an S/N curve, the relationship between applied stress and the number of applied stress fluctuations in fatigue crack propagation (5) (b) Define the term Stress Raiser, giving examples and explaining the influence of a stress raiser on the propagation of a fatigue crack (5)…
-

EK Motor Jul 2022 (Q2)
(a) Explain fatigue cracking, stating its causes and propagation. (8) (b) Explain how the risk of fatigue cracking of cylinder head holding studs is liable to be increased by poor maintenance and engine overload. (8) Materials Jul 2022 (Q2)
-

EK Motor Mar 2021 (Q1)
With reference to diesel engine crankshafts: (a) Explain the cause and effect of torsional vibration (4) (b) Explain the term critical speed, stating why the engine should not be continuously operated at this speed (6) (c) Explain the term fatigue cracking, stating with reasons, TWO factors which have an influence on the likelihood of fatigue…
-

EK Motor Jul 2020 (Q1)
With reference to diesel engine crankshafts: (a) Explain the causes and effects of torsional vibration; (4) (b) Explain the term critical speed, stating why the engine should not be continuously operated at this speed; (6) (c) Explain the term fatigue cracking, stating, with reasons, TWO factors which have an influence on the likelihood of fatigue…
-

EK Motor Jul 2018 (Q6)
(a) Explain fatigue cracking, stating its cause and propagation (8) (b) Explain how the risk of fatigue cracking of cylinder head holding studs is liable to be increased by poor maintenance and engine overload (8) Jul 2018 (Q6)
