Q8. a) Describe, with the aid of a sketch, a lubrication system for a trunk-piston engine which has an automatic standby capability. (8)
b) Describe, with the aid of a sketch, a cylinder lubrication system for a cross-head engine, explaining why a separate cylinder LO system is fitted. (8)
Q4. a) State, with reasons, the properties required of a lubricating oil for a trunk piston type, medium speed engine, indicating why some properties differ from those required of a lubricating oil used in the crankcase of a crosshead diesel engine. (6)
b) Describe, with the aid of a sketch, the lubrication system of a trunk piston medium speed engine, explaining how impurities in the lubricating oil are removed. (10)
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