EK Motor Oct 2022 (Q2)

(a) Explain, with the aid of a sketch, Thermal Stress, stating how thermal stress is 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. (4)

Cylinder liner

Oct 2022 (Q2)